Home / 372,326.13-513,812.30-202,561.47

Finding the Fourth Proportional to 372,326.13, 513,812.30 and 202,561.47

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Solution

The fourth proportional to 372,326.13, 513,812.30 and 202,561.47 is: 279,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,326.13 : 513,812.30 = 202,561.47 : x
  2. Step 2: Convert to fraction form
    372,326.13/513,812.30 = 202,561.47/x
  3. Step 3: Cross multiply
    372,326.13x = 513,812.30 × 202,561.47
  4. Step 4: Simplify right side
    372,326.13x = 104,078,573,779.27
  5. Step 5: Solve for x
    x = 104,078,573,779.27/372,326.13
  6. Step 6: Final answer
    x = 279,536.04

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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.