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Finding the Fourth Proportional to 162,502.40, 243,753.60 and 144,876.80

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Solution

The fourth proportional to 162,502.40, 243,753.60 and 144,876.80 is: 217,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,502.40 : 243,753.60 = 144,876.80 : x
  2. Step 2: Convert to fraction form
    162,502.40/243,753.60 = 144,876.80/x
  3. Step 3: Cross multiply
    162,502.40x = 243,753.60 × 144,876.80
  4. Step 4: Simplify right side
    162,502.40x = 35,314,241,556.48
  5. Step 5: Solve for x
    x = 35,314,241,556.48/162,502.40
  6. Step 6: Final answer
    x = 217,315.20

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1.5x scale

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.