Home / 254,384.72-381,591.12-76,887.26

Finding the Fourth Proportional to 254,384.72, 381,591.12 and 76,887.26

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Solution

The fourth proportional to 254,384.72, 381,591.12 and 76,887.26 is: 115,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,384.72 : 381,591.12 = 76,887.26 : x
  2. Step 2: Convert to fraction form
    254,384.72/381,591.12 = 76,887.26/x
  3. Step 3: Cross multiply
    254,384.72x = 381,591.12 × 76,887.26
  4. Step 4: Simplify right side
    254,384.72x = 29,339,495,657.13
  5. Step 5: Solve for x
    x = 29,339,495,657.13/254,384.72
  6. Step 6: Final answer
    x = 115,335.13

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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.