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Finding the Fourth Proportional to 254,876.40, 381,877.20 and 166,084.20

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Solution

The fourth proportional to 254,876.40, 381,877.20 and 166,084.20 is: 248,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,876.40 : 381,877.20 = 166,084.20 : x
  2. Step 2: Convert to fraction form
    254,876.40/381,877.20 = 166,084.20/x
  3. Step 3: Cross multiply
    254,876.40x = 381,877.20 × 166,084.20
  4. Step 4: Simplify right side
    254,876.40x = 63,423,769,260.24
  5. Step 5: Solve for x
    x = 63,423,769,260.24/254,876.40
  6. Step 6: Final answer
    x = 248,841.28

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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.