Home / 493,284.18-680,733.96-266,929.68

Finding the Fourth Proportional to 493,284.18, 680,733.96 and 266,929.68

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Solution

The fourth proportional to 493,284.18, 680,733.96 and 266,929.68 is: 368,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,284.18 : 680,733.96 = 266,929.68 : x
  2. Step 2: Convert to fraction form
    493,284.18/680,733.96 = 266,929.68/x
  3. Step 3: Cross multiply
    493,284.18x = 680,733.96 × 266,929.68
  4. Step 4: Simplify right side
    493,284.18x = 181,708,098,107.93
  5. Step 5: Solve for x
    x = 181,708,098,107.93/493,284.18
  6. Step 6: Final answer
    x = 368,363.93

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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.