Home / 459,044.30-688,511.67-122,109.61

Finding the Fourth Proportional to 459,044.30, 688,511.67 and 122,109.61

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Solution

The fourth proportional to 459,044.30, 688,511.67 and 122,109.61 is: 183,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,044.30 : 688,511.67 = 122,109.61 : x
  2. Step 2: Convert to fraction form
    459,044.30/688,511.67 = 122,109.61/x
  3. Step 3: Cross multiply
    459,044.30x = 688,511.67 × 122,109.61
  4. Step 4: Simplify right side
    459,044.30x = 84,073,891,504.15
  5. Step 5: Solve for x
    x = 84,073,891,504.15/459,044.30
  6. Step 6: Final answer
    x = 183,149.84

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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.