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Finding the Fourth Proportional to 369,724.79, 510,220.22 and 199,958.92

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Solution

The fourth proportional to 369,724.79, 510,220.22 and 199,958.92 is: 275,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,724.79 : 510,220.22 = 199,958.92 : x
  2. Step 2: Convert to fraction form
    369,724.79/510,220.22 = 199,958.92/x
  3. Step 3: Cross multiply
    369,724.79x = 510,220.22 × 199,958.92
  4. Step 4: Simplify right side
    369,724.79x = 102,023,080,602.47
  5. Step 5: Solve for x
    x = 102,023,080,602.47/369,724.79
  6. Step 6: Final answer
    x = 275,943.31

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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.