Home / 442,267.59-663,401.39-126,724.50

Finding the Fourth Proportional to 442,267.59, 663,401.39 and 126,724.50

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Solution

The fourth proportional to 442,267.59, 663,401.39 and 126,724.50 is: 190,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,267.59 : 663,401.39 = 126,724.50 : x
  2. Step 2: Convert to fraction form
    442,267.59/663,401.39 = 126,724.50/x
  3. Step 3: Cross multiply
    442,267.59x = 663,401.39 × 126,724.50
  4. Step 4: Simplify right side
    442,267.59x = 84,069,209,526.26
  5. Step 5: Solve for x
    x = 84,069,209,526.26/442,267.59
  6. Step 6: Final answer
    x = 190,086.75

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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.