Home / 318,581.10-439,643.43-182,622.87

Finding the Fourth Proportional to 318,581.10, 439,643.43 and 182,622.87

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Solution

The fourth proportional to 318,581.10, 439,643.43 and 182,622.87 is: 252,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,581.10 : 439,643.43 = 182,622.87 : x
  2. Step 2: Convert to fraction form
    318,581.10/439,643.43 = 182,622.87/x
  3. Step 3: Cross multiply
    318,581.10x = 439,643.43 × 182,622.87
  4. Step 4: Simplify right side
    318,581.10x = 80,288,944,963.24
  5. Step 5: Solve for x
    x = 80,288,944,963.24/318,581.10
  6. Step 6: Final answer
    x = 252,020.43

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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.