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Finding the Fourth Proportional to 376,452, 564,685.30 and 92,145.04

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Solution

The fourth proportional to 376,452, 564,685.30 and 92,145.04 is: 138,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,452 : 564,685.30 = 92,145.04 : x
  2. Step 2: Convert to fraction form
    376,452/564,685.30 = 92,145.04/x
  3. Step 3: Cross multiply
    376,452x = 564,685.30 × 92,145.04
  4. Step 4: Simplify right side
    376,452x = 52,032,949,555.91
  5. Step 5: Solve for x
    x = 52,032,949,555.91/376,452
  6. Step 6: Final answer
    x = 138,219.35

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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.