Home / 252,936.10-379,404.15-238,420.90

Finding the Fourth Proportional to 252,936.10, 379,404.15 and 238,420.90

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Solution

The fourth proportional to 252,936.10, 379,404.15 and 238,420.90 is: 357,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,936.10 : 379,404.15 = 238,420.90 : x
  2. Step 2: Convert to fraction form
    252,936.10/379,404.15 = 238,420.90/x
  3. Step 3: Cross multiply
    252,936.10x = 379,404.15 × 238,420.90
  4. Step 4: Simplify right side
    252,936.10x = 90,457,878,906.74
  5. Step 5: Solve for x
    x = 90,457,878,906.74/252,936.10
  6. Step 6: Final answer
    x = 357,631.35

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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.