Home / 361,319.20-498,419.60-284,555.50

Finding the Fourth Proportional to 361,319.20, 498,419.60 and 284,555.50

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Solution

The fourth proportional to 361,319.20, 498,419.60 and 284,555.50 is: 392,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,319.20 : 498,419.60 = 284,555.50 : x
  2. Step 2: Convert to fraction form
    361,319.20/498,419.60 = 284,555.50/x
  3. Step 3: Cross multiply
    361,319.20x = 498,419.60 × 284,555.50
  4. Step 4: Simplify right side
    361,319.20x = 141,828,035,818.97
  5. Step 5: Solve for x
    x = 141,828,035,818.97/361,319.20
  6. Step 6: Final answer
    x = 392,528.37

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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.