Home / 474,118.20-711,279.70-141,727.80

Finding the Fourth Proportional to 474,118.20, 711,279.70 and 141,727.80

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Solution

The fourth proportional to 474,118.20, 711,279.70 and 141,727.80 is: 212,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,118.20 : 711,279.70 = 141,727.80 : x
  2. Step 2: Convert to fraction form
    474,118.20/711,279.70 = 141,727.80/x
  3. Step 3: Cross multiply
    474,118.20x = 711,279.70 × 141,727.80
  4. Step 4: Simplify right side
    474,118.20x = 100,808,107,065.66
  5. Step 5: Solve for x
    x = 100,808,107,065.66/474,118.20
  6. Step 6: Final answer
    x = 212,622.31

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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.