Home / 318,435.27-477,576.28-93,734.65

Finding the Fourth Proportional to 318,435.27, 477,576.28 and 93,734.65

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Solution

The fourth proportional to 318,435.27, 477,576.28 and 93,734.65 is: 140,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,435.27 : 477,576.28 = 93,734.65 : x
  2. Step 2: Convert to fraction form
    318,435.27/477,576.28 = 93,734.65/x
  3. Step 3: Cross multiply
    318,435.27x = 477,576.28 × 93,734.65
  4. Step 4: Simplify right side
    318,435.27x = 44,765,445,454.10
  5. Step 5: Solve for x
    x = 44,765,445,454.10/318,435.27
  6. Step 6: Final answer
    x = 140,579.42

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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.