Home / 372,395.48-513,837.77-243,299.61

Finding the Fourth Proportional to 372,395.48, 513,837.77 and 243,299.61

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Solution

The fourth proportional to 372,395.48, 513,837.77 and 243,299.61 is: 335,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,395.48 : 513,837.77 = 243,299.61 : x
  2. Step 2: Convert to fraction form
    372,395.48/513,837.77 = 243,299.61/x
  3. Step 3: Cross multiply
    372,395.48x = 513,837.77 × 243,299.61
  4. Step 4: Simplify right side
    372,395.48x = 125,016,527,827.77
  5. Step 5: Solve for x
    x = 125,016,527,827.77/372,395.48
  6. Step 6: Final answer
    x = 335,709.04

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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.