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Finding the Fourth Proportional to 273,877.20, 411,204.60 and 168,901.20

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Solution

The fourth proportional to 273,877.20, 411,204.60 and 168,901.20 is: 253,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,877.20 : 411,204.60 = 168,901.20 : x
  2. Step 2: Convert to fraction form
    273,877.20/411,204.60 = 168,901.20/x
  3. Step 3: Cross multiply
    273,877.20x = 411,204.60 × 168,901.20
  4. Step 4: Simplify right side
    273,877.20x = 69,452,950,385.52
  5. Step 5: Solve for x
    x = 69,452,950,385.52/273,877.20
  6. Step 6: Final answer
    x = 253,591.57

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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.