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Finding the Fourth Proportional to 254,357.32, 381,605.12 and 88,158.28

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Solution

The fourth proportional to 254,357.32, 381,605.12 and 88,158.28 is: 132,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,357.32 : 381,605.12 = 88,158.28 : x
  2. Step 2: Convert to fraction form
    254,357.32/381,605.12 = 88,158.28/x
  3. Step 3: Cross multiply
    254,357.32x = 381,605.12 × 88,158.28
  4. Step 4: Simplify right side
    254,357.32x = 33,641,651,018.39
  5. Step 5: Solve for x
    x = 33,641,651,018.39/254,357.32
  6. Step 6: Final answer
    x = 132,261.38

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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.