Home / 318,693.20-439,779.92-175,425.26

Finding the Fourth Proportional to 318,693.20, 439,779.92 and 175,425.26

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Solution

The fourth proportional to 318,693.20, 439,779.92 and 175,425.26 is: 242,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,693.20 : 439,779.92 = 175,425.26 : x
  2. Step 2: Convert to fraction form
    318,693.20/439,779.92 = 175,425.26/x
  3. Step 3: Cross multiply
    318,693.20x = 439,779.92 × 175,425.26
  4. Step 4: Simplify right side
    318,693.20x = 77,148,503,732.75
  5. Step 5: Solve for x
    x = 77,148,503,732.75/318,693.20
  6. Step 6: Final answer
    x = 242,077.66

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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.