Home / 663,156.20-994,619.10-242,215.40

Finding the Fourth Proportional to 663,156.20, 994,619.10 and 242,215.40

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Solution

The fourth proportional to 663,156.20, 994,619.10 and 242,215.40 is: 363,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,156.20 : 994,619.10 = 242,215.40 : x
  2. Step 2: Convert to fraction form
    663,156.20/994,619.10 = 242,215.40/x
  3. Step 3: Cross multiply
    663,156.20x = 994,619.10 × 242,215.40
  4. Step 4: Simplify right side
    663,156.20x = 240,912,063,154.14
  5. Step 5: Solve for x
    x = 240,912,063,154.14/663,156.20
  6. Step 6: Final answer
    x = 363,281.02

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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.