Home / 454,464.31-627,157.20-247,732.21

Finding the Fourth Proportional to 454,464.31, 627,157.20 and 247,732.21

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Solution

The fourth proportional to 454,464.31, 627,157.20 and 247,732.21 is: 341,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,464.31 : 627,157.20 = 247,732.21 : x
  2. Step 2: Convert to fraction form
    454,464.31/627,157.20 = 247,732.21/x
  3. Step 3: Cross multiply
    454,464.31x = 627,157.20 × 247,732.21
  4. Step 4: Simplify right side
    454,464.31x = 155,367,039,173.41
  5. Step 5: Solve for x
    x = 155,367,039,173.41/454,464.31
  6. Step 6: Final answer
    x = 341,868.52

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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.