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Finding the Fourth Proportional to 508,769.70, 763,154.55 and 154,032.90

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Solution

The fourth proportional to 508,769.70, 763,154.55 and 154,032.90 is: 231,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,769.70 : 763,154.55 = 154,032.90 : x
  2. Step 2: Convert to fraction form
    508,769.70/763,154.55 = 154,032.90/x
  3. Step 3: Cross multiply
    508,769.70x = 763,154.55 × 154,032.90
  4. Step 4: Simplify right side
    508,769.70x = 117,550,908,484.70
  5. Step 5: Solve for x
    x = 117,550,908,484.70/508,769.70
  6. Step 6: Final answer
    x = 231,049.35

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Similar ratio
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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.