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Finding the Fourth Proportional to 369,724.98, 510,220.47 and 199,959.11

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Solution

The fourth proportional to 369,724.98, 510,220.47 and 199,959.11 is: 275,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,724.98 : 510,220.47 = 199,959.11 : x
  2. Step 2: Convert to fraction form
    369,724.98/510,220.47 = 199,959.11/x
  3. Step 3: Cross multiply
    369,724.98x = 510,220.47 × 199,959.11
  4. Step 4: Simplify right side
    369,724.98x = 102,023,227,534.08
  5. Step 5: Solve for x
    x = 102,023,227,534.08/369,724.98
  6. Step 6: Final answer
    x = 275,943.56

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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.