Home / 318,585.18-477,888.12-93,926.78

Finding the Fourth Proportional to 318,585.18, 477,888.12 and 93,926.78

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Solution

The fourth proportional to 318,585.18, 477,888.12 and 93,926.78 is: 140,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,585.18 : 477,888.12 = 93,926.78 : x
  2. Step 2: Convert to fraction form
    318,585.18/477,888.12 = 93,926.78/x
  3. Step 3: Cross multiply
    318,585.18x = 477,888.12 × 93,926.78
  4. Step 4: Simplify right side
    318,585.18x = 44,886,489,922.41
  5. Step 5: Solve for x
    x = 44,886,489,922.41/318,585.18
  6. Step 6: Final answer
    x = 140,893.21

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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.