Home / 369,724.68-510,220.08-199,958.76

Finding the Fourth Proportional to 369,724.68, 510,220.08 and 199,958.76

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Solution

The fourth proportional to 369,724.68, 510,220.08 and 199,958.76 is: 275,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,724.68 : 510,220.08 = 199,958.76 : x
  2. Step 2: Convert to fraction form
    369,724.68/510,220.08 = 199,958.76/x
  3. Step 3: Cross multiply
    369,724.68x = 510,220.08 × 199,958.76
  4. Step 4: Simplify right side
    369,724.68x = 102,022,974,523.90
  5. Step 5: Solve for x
    x = 102,022,974,523.90/369,724.68
  6. Step 6: Final answer
    x = 275,943.10

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.