Home / 372,008.13-513,411.30-210,845.85

Finding the Fourth Proportional to 372,008.13, 513,411.30 and 210,845.85

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Solution

The fourth proportional to 372,008.13, 513,411.30 and 210,845.85 is: 290,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,008.13 : 513,411.30 = 210,845.85 : x
  2. Step 2: Convert to fraction form
    372,008.13/513,411.30 = 210,845.85/x
  3. Step 3: Cross multiply
    372,008.13x = 513,411.30 × 210,845.85
  4. Step 4: Simplify right side
    372,008.13x = 108,250,641,948.11
  5. Step 5: Solve for x
    x = 108,250,641,948.11/372,008.13
  6. Step 6: Final answer
    x = 290,989.99

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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.