Home / 363,935.78-502,224.65-198,365.18

Finding the Fourth Proportional to 363,935.78, 502,224.65 and 198,365.18

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Solution

The fourth proportional to 363,935.78, 502,224.65 and 198,365.18 is: 273,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,935.78 : 502,224.65 = 198,365.18 : x
  2. Step 2: Convert to fraction form
    363,935.78/502,224.65 = 198,365.18/x
  3. Step 3: Cross multiply
    363,935.78x = 502,224.65 × 198,365.18
  4. Step 4: Simplify right side
    363,935.78x = 99,623,884,279.43
  5. Step 5: Solve for x
    x = 99,623,884,279.43/363,935.78
  6. Step 6: Final answer
    x = 273,740.28

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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.