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Finding the Fourth Proportional to 503,436.71, 755,154.15 and 148,699.84

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Solution

The fourth proportional to 503,436.71, 755,154.15 and 148,699.84 is: 223,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,436.71 : 755,154.15 = 148,699.84 : x
  2. Step 2: Convert to fraction form
    503,436.71/755,154.15 = 148,699.84/x
  3. Step 3: Cross multiply
    503,436.71x = 755,154.15 × 148,699.84
  4. Step 4: Simplify right side
    503,436.71x = 112,291,301,280.34
  5. Step 5: Solve for x
    x = 112,291,301,280.34/503,436.71
  6. Step 6: Final answer
    x = 223,049.49

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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.