Home / 442,077.87-663,246.20-142,552.43

Finding the Fourth Proportional to 442,077.87, 663,246.20 and 142,552.43

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Solution

The fourth proportional to 442,077.87, 663,246.20 and 142,552.43 is: 213,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,077.87 : 663,246.20 = 142,552.43 : x
  2. Step 2: Convert to fraction form
    442,077.87/663,246.20 = 142,552.43/x
  3. Step 3: Cross multiply
    442,077.87x = 663,246.20 × 142,552.43
  4. Step 4: Simplify right side
    442,077.87x = 94,547,354,182.04
  5. Step 5: Solve for x
    x = 94,547,354,182.04/442,077.87
  6. Step 6: Final answer
    x = 213,870.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.