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Finding the Fourth Proportional to 465,339.84, 698,147.28 and 149,789.04

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Solution

The fourth proportional to 465,339.84, 698,147.28 and 149,789.04 is: 224,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,339.84 : 698,147.28 = 149,789.04 : x
  2. Step 2: Convert to fraction form
    465,339.84/698,147.28 = 149,789.04/x
  3. Step 3: Cross multiply
    465,339.84x = 698,147.28 × 149,789.04
  4. Step 4: Simplify right side
    465,339.84x = 104,574,810,849.81
  5. Step 5: Solve for x
    x = 104,574,810,849.81/465,339.84
  6. Step 6: Final answer
    x = 224,727.83

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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.