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Finding the Fourth Proportional to 302,548.70, 453,589.29 and 152,711.87

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Solution

The fourth proportional to 302,548.70, 453,589.29 and 152,711.87 is: 228,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,548.70 : 453,589.29 = 152,711.87 : x
  2. Step 2: Convert to fraction form
    302,548.70/453,589.29 = 152,711.87/x
  3. Step 3: Cross multiply
    302,548.70x = 453,589.29 × 152,711.87
  4. Step 4: Simplify right side
    302,548.70x = 69,268,466,419.93
  5. Step 5: Solve for x
    x = 69,268,466,419.93/302,548.70
  6. Step 6: Final answer
    x = 228,949.80

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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.