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Finding the Fourth Proportional to 289,571.52, 433,765.96 and 149,034.90

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Solution

The fourth proportional to 289,571.52, 433,765.96 and 149,034.90 is: 223,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,571.52 : 433,765.96 = 149,034.90 : x
  2. Step 2: Convert to fraction form
    289,571.52/433,765.96 = 149,034.90/x
  3. Step 3: Cross multiply
    289,571.52x = 433,765.96 × 149,034.90
  4. Step 4: Simplify right side
    289,571.52x = 64,646,266,472.00
  5. Step 5: Solve for x
    x = 64,646,266,472.00/289,571.52
  6. Step 6: Final answer
    x = 223,248.01

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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.