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Finding the Fourth Proportional to 235,568.15, 353,347.31 and 58,076.70

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Solution

The fourth proportional to 235,568.15, 353,347.31 and 58,076.70 is: 87,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,568.15 : 353,347.31 = 58,076.70 : x
  2. Step 2: Convert to fraction form
    235,568.15/353,347.31 = 58,076.70/x
  3. Step 3: Cross multiply
    235,568.15x = 353,347.31 × 58,076.70
  4. Step 4: Simplify right side
    235,568.15x = 20,521,244,538.82
  5. Step 5: Solve for x
    x = 20,521,244,538.82/235,568.15
  6. Step 6: Final answer
    x = 87,113.83

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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.