Home / 372,429.38-513,952.55-202,664.72

Finding the Fourth Proportional to 372,429.38, 513,952.55 and 202,664.72

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Solution

The fourth proportional to 372,429.38, 513,952.55 and 202,664.72 is: 279,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,429.38 : 513,952.55 = 202,664.72 : x
  2. Step 2: Convert to fraction form
    372,429.38/513,952.55 = 202,664.72/x
  3. Step 3: Cross multiply
    372,429.38x = 513,952.55 × 202,664.72
  4. Step 4: Simplify right side
    372,429.38x = 104,160,046,055.95
  5. Step 5: Solve for x
    x = 104,160,046,055.95/372,429.38
  6. Step 6: Final answer
    x = 279,677.31

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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.