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Finding the Fourth Proportional to 560,121.60, 840,234.72 and 223,080.96

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Solution

The fourth proportional to 560,121.60, 840,234.72 and 223,080.96 is: 334,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,121.60 : 840,234.72 = 223,080.96 : x
  2. Step 2: Convert to fraction form
    560,121.60/840,234.72 = 223,080.96/x
  3. Step 3: Cross multiply
    560,121.60x = 840,234.72 × 223,080.96
  4. Step 4: Simplify right side
    560,121.60x = 187,440,367,962.93
  5. Step 5: Solve for x
    x = 187,440,367,962.93/560,121.60
  6. Step 6: Final answer
    x = 334,642.28

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1.5x scale

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.