Home / 372,913.20-559,564.20-162,572.40

Finding the Fourth Proportional to 372,913.20, 559,564.20 and 162,572.40

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Solution

The fourth proportional to 372,913.20, 559,564.20 and 162,572.40 is: 243,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,913.20 : 559,564.20 = 162,572.40 : x
  2. Step 2: Convert to fraction form
    372,913.20/559,564.20 = 162,572.40/x
  3. Step 3: Cross multiply
    372,913.20x = 559,564.20 × 162,572.40
  4. Step 4: Simplify right side
    372,913.20x = 90,969,694,948.08
  5. Step 5: Solve for x
    x = 90,969,694,948.08/372,913.20
  6. Step 6: Final answer
    x = 243,943.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.