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Finding the Fourth Proportional to 144,502.62, 216,816.19 and 60,279.37

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Solution

The fourth proportional to 144,502.62, 216,816.19 and 60,279.37 is: 90,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,502.62 : 216,816.19 = 60,279.37 : x
  2. Step 2: Convert to fraction form
    144,502.62/216,816.19 = 60,279.37/x
  3. Step 3: Cross multiply
    144,502.62x = 216,816.19 × 60,279.37
  4. Step 4: Simplify right side
    144,502.62x = 13,069,543,339.00
  5. Step 5: Solve for x
    x = 13,069,543,339.00/144,502.62
  6. Step 6: Final answer
    x = 90,445.03

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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.