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Finding the Fourth Proportional to 560,484.28, 840,778.62 and 223,443.28

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Solution

The fourth proportional to 560,484.28, 840,778.62 and 223,443.28 is: 335,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,484.28 : 840,778.62 = 223,443.28 : x
  2. Step 2: Convert to fraction form
    560,484.28/840,778.62 = 223,443.28/x
  3. Step 3: Cross multiply
    560,484.28x = 840,778.62 × 223,443.28
  4. Step 4: Simplify right side
    560,484.28x = 187,866,332,606.67
  5. Step 5: Solve for x
    x = 187,866,332,606.67/560,484.28
  6. Step 6: Final answer
    x = 335,185.73

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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.