Home / 318,475.44-477,636.20-93,774.72

Finding the Fourth Proportional to 318,475.44, 477,636.20 and 93,774.72

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Solution

The fourth proportional to 318,475.44, 477,636.20 and 93,774.72 is: 140,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,475.44 : 477,636.20 = 93,774.72 : x
  2. Step 2: Convert to fraction form
    318,475.44/477,636.20 = 93,774.72/x
  3. Step 3: Cross multiply
    318,475.44x = 477,636.20 × 93,774.72
  4. Step 4: Simplify right side
    318,475.44x = 44,790,200,916.86
  5. Step 5: Solve for x
    x = 44,790,200,916.86/318,475.44
  6. Step 6: Final answer
    x = 140,639.42

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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.