Home / 318,273.31-439,221.52-182,307.18

Finding the Fourth Proportional to 318,273.31, 439,221.52 and 182,307.18

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Solution

The fourth proportional to 318,273.31, 439,221.52 and 182,307.18 is: 251,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,273.31 : 439,221.52 = 182,307.18 : x
  2. Step 2: Convert to fraction form
    318,273.31/439,221.52 = 182,307.18/x
  3. Step 3: Cross multiply
    318,273.31x = 439,221.52 × 182,307.18
  4. Step 4: Simplify right side
    318,273.31x = 80,073,237,804.57
  5. Step 5: Solve for x
    x = 80,073,237,804.57/318,273.31
  6. Step 6: Final answer
    x = 251,586.40

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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.