Home / 318,022.90-477,036.78-93,387.22

Finding the Fourth Proportional to 318,022.90, 477,036.78 and 93,387.22

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Solution

The fourth proportional to 318,022.90, 477,036.78 and 93,387.22 is: 140,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,022.90 : 477,036.78 = 93,387.22 : x
  2. Step 2: Convert to fraction form
    318,022.90/477,036.78 = 93,387.22/x
  3. Step 3: Cross multiply
    318,022.90x = 477,036.78 × 93,387.22
  4. Step 4: Simplify right side
    318,022.90x = 44,549,138,721.95
  5. Step 5: Solve for x
    x = 44,549,138,721.95/318,022.90
  6. Step 6: Final answer
    x = 140,081.54

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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.