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Finding the Fourth Proportional to 342,872.70, 514,600.65 and 153,624.30

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Solution

The fourth proportional to 342,872.70, 514,600.65 and 153,624.30 is: 230,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,872.70 : 514,600.65 = 153,624.30 : x
  2. Step 2: Convert to fraction form
    342,872.70/514,600.65 = 153,624.30/x
  3. Step 3: Cross multiply
    342,872.70x = 514,600.65 × 153,624.30
  4. Step 4: Simplify right side
    342,872.70x = 79,055,164,635.80
  5. Step 5: Solve for x
    x = 79,055,164,635.80/342,872.70
  6. Step 6: Final answer
    x = 230,567.10

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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.