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Finding the Fourth Proportional to 254,077.88, 381,131.40 and 76,566.40

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Solution

The fourth proportional to 254,077.88, 381,131.40 and 76,566.40 is: 114,853.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,077.88 : 381,131.40 = 76,566.40 : x
  2. Step 2: Convert to fraction form
    254,077.88/381,131.40 = 76,566.40/x
  3. Step 3: Cross multiply
    254,077.88x = 381,131.40 × 76,566.40
  4. Step 4: Simplify right side
    254,077.88x = 29,181,859,224.96
  5. Step 5: Solve for x
    x = 29,181,859,224.96/254,077.88
  6. Step 6: Final answer
    x = 114,853.99

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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.