Home / 318,023.18-438,882.52-174,788.30

Finding the Fourth Proportional to 318,023.18, 438,882.52 and 174,788.30

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Solution

The fourth proportional to 318,023.18, 438,882.52 and 174,788.30 is: 241,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,023.18 : 438,882.52 = 174,788.30 : x
  2. Step 2: Convert to fraction form
    318,023.18/438,882.52 = 174,788.30/x
  3. Step 3: Cross multiply
    318,023.18x = 438,882.52 × 174,788.30
  4. Step 4: Simplify right side
    318,023.18x = 76,711,529,570.52
  5. Step 5: Solve for x
    x = 76,711,529,570.52/318,023.18
  6. Step 6: Final answer
    x = 241,213.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.