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Finding the Fourth Proportional to 560,147.35, 840,221.03 and 560,147.35

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Solution

The fourth proportional to 560,147.35, 840,221.03 and 560,147.35 is: 840,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,147.35 : 840,221.03 = 560,147.35 : x
  2. Step 2: Convert to fraction form
    560,147.35/840,221.03 = 560,147.35/x
  3. Step 3: Cross multiply
    560,147.35x = 840,221.03 × 560,147.35
  4. Step 4: Simplify right side
    560,147.35x = 470,647,580,568.03
  5. Step 5: Solve for x
    x = 470,647,580,568.03/560,147.35
  6. Step 6: Final answer
    x = 840,221.03

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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.