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Finding the Fourth Proportional to 235,693.34, 353,399 and 159,885.04

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Solution

The fourth proportional to 235,693.34, 353,399 and 159,885.04 is: 239,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,693.34 : 353,399 = 159,885.04 : x
  2. Step 2: Convert to fraction form
    235,693.34/353,399 = 159,885.04/x
  3. Step 3: Cross multiply
    235,693.34x = 353,399 × 159,885.04
  4. Step 4: Simplify right side
    235,693.34x = 56,503,213,250.96
  5. Step 5: Solve for x
    x = 56,503,213,250.96/235,693.34
  6. Step 6: Final answer
    x = 239,731.90

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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.