Home / 372,192.76-513,628.44-202,428.12

Finding the Fourth Proportional to 372,192.76, 513,628.44 and 202,428.12

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Solution

The fourth proportional to 372,192.76, 513,628.44 and 202,428.12 is: 279,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,192.76 : 513,628.44 = 202,428.12 : x
  2. Step 2: Convert to fraction form
    372,192.76/513,628.44 = 202,428.12/x
  3. Step 3: Cross multiply
    372,192.76x = 513,628.44 × 202,428.12
  4. Step 4: Simplify right side
    372,192.76x = 103,972,839,487.73
  5. Step 5: Solve for x
    x = 103,972,839,487.73/372,192.76
  6. Step 6: Final answer
    x = 279,352.13

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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.