Home / 493,116.18-680,498.91-266,761.50

Finding the Fourth Proportional to 493,116.18, 680,498.91 and 266,761.50

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Solution

The fourth proportional to 493,116.18, 680,498.91 and 266,761.50 is: 368,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,116.18 : 680,498.91 = 266,761.50 : x
  2. Step 2: Convert to fraction form
    493,116.18/680,498.91 = 266,761.50/x
  3. Step 3: Cross multiply
    493,116.18x = 680,498.91 × 266,761.50
  4. Step 4: Simplify right side
    493,116.18x = 181,530,909,979.97
  5. Step 5: Solve for x
    x = 181,530,909,979.97/493,116.18
  6. Step 6: Final answer
    x = 368,130.10

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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.