Home / 361,088.28-498,243.15-208,132.74

Finding the Fourth Proportional to 361,088.28, 498,243.15 and 208,132.74

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Solution

The fourth proportional to 361,088.28, 498,243.15 and 208,132.74 is: 287,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,088.28 : 498,243.15 = 208,132.74 : x
  2. Step 2: Convert to fraction form
    361,088.28/498,243.15 = 208,132.74/x
  3. Step 3: Cross multiply
    361,088.28x = 498,243.15 × 208,132.74
  4. Step 4: Simplify right side
    361,088.28x = 103,700,711,995.73
  5. Step 5: Solve for x
    x = 103,700,711,995.73/361,088.28
  6. Step 6: Final answer
    x = 287,189.36

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1.5x scale

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.