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Finding the Fourth Proportional to 454,462.79, 627,134.22 and 250,473.06

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Solution

The fourth proportional to 454,462.79, 627,134.22 and 250,473.06 is: 345,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,462.79 : 627,134.22 = 250,473.06 : x
  2. Step 2: Convert to fraction form
    454,462.79/627,134.22 = 250,473.06/x
  3. Step 3: Cross multiply
    454,462.79x = 627,134.22 × 250,473.06
  4. Step 4: Simplify right side
    454,462.79x = 157,080,227,114.11
  5. Step 5: Solve for x
    x = 157,080,227,114.11/454,462.79
  6. Step 6: Final answer
    x = 345,639.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.