Home / 318,425.60-439,427.31-175,182.57

Finding the Fourth Proportional to 318,425.60, 439,427.31 and 175,182.57

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Solution

The fourth proportional to 318,425.60, 439,427.31 and 175,182.57 is: 241,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,425.60 : 439,427.31 = 175,182.57 : x
  2. Step 2: Convert to fraction form
    318,425.60/439,427.31 = 175,182.57/x
  3. Step 3: Cross multiply
    318,425.60x = 439,427.31 × 175,182.57
  4. Step 4: Simplify right side
    318,425.60x = 76,980,002,420.94
  5. Step 5: Solve for x
    x = 76,980,002,420.94/318,425.60
  6. Step 6: Final answer
    x = 241,751.93

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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.