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Finding the Fourth Proportional to 363,252.60, 544,878.90 and 284,434.20

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Solution

The fourth proportional to 363,252.60, 544,878.90 and 284,434.20 is: 426,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,252.60 : 544,878.90 = 284,434.20 : x
  2. Step 2: Convert to fraction form
    363,252.60/544,878.90 = 284,434.20/x
  3. Step 3: Cross multiply
    363,252.60x = 544,878.90 × 284,434.20
  4. Step 4: Simplify right side
    363,252.60x = 154,982,194,018.38
  5. Step 5: Solve for x
    x = 154,982,194,018.38/363,252.60
  6. Step 6: Final answer
    x = 426,651.30

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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.