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Finding the Fourth Proportional to 228,737.88, 315,769.80 and 152,302.20

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Solution

The fourth proportional to 228,737.88, 315,769.80 and 152,302.20 is: 210,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,737.88 : 315,769.80 = 152,302.20 : x
  2. Step 2: Convert to fraction form
    228,737.88/315,769.80 = 152,302.20/x
  3. Step 3: Cross multiply
    228,737.88x = 315,769.80 × 152,302.20
  4. Step 4: Simplify right side
    228,737.88x = 48,092,435,233.56
  5. Step 5: Solve for x
    x = 48,092,435,233.56/228,737.88
  6. Step 6: Final answer
    x = 210,251.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.