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Finding the Fourth Proportional to 291,519, 402,324.84 and 170,652.96

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Solution

The fourth proportional to 291,519, 402,324.84 and 170,652.96 is: 235,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,519 : 402,324.84 = 170,652.96 : x
  2. Step 2: Convert to fraction form
    291,519/402,324.84 = 170,652.96/x
  3. Step 3: Cross multiply
    291,519x = 402,324.84 × 170,652.96
  4. Step 4: Simplify right side
    291,519x = 68,657,924,827.53
  5. Step 5: Solve for x
    x = 68,657,924,827.53/291,519
  6. Step 6: Final answer
    x = 235,517.84

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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.