Home / 442,454.42-663,592.35-126,826.58

Finding the Fourth Proportional to 442,454.42, 663,592.35 and 126,826.58

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Solution

The fourth proportional to 442,454.42, 663,592.35 and 126,826.58 is: 190,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,454.42 : 663,592.35 = 126,826.58 : x
  2. Step 2: Convert to fraction form
    442,454.42/663,592.35 = 126,826.58/x
  3. Step 3: Cross multiply
    442,454.42x = 663,592.35 × 126,826.58
  4. Step 4: Simplify right side
    442,454.42x = 84,161,148,264.66
  5. Step 5: Solve for x
    x = 84,161,148,264.66/442,454.42
  6. Step 6: Final answer
    x = 190,214.28

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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.