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Finding the Fourth Proportional to 587,134.50, 880,701.78 and 143,902.50

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Solution

The fourth proportional to 587,134.50, 880,701.78 and 143,902.50 is: 215,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,134.50 : 880,701.78 = 143,902.50 : x
  2. Step 2: Convert to fraction form
    587,134.50/880,701.78 = 143,902.50/x
  3. Step 3: Cross multiply
    587,134.50x = 880,701.78 × 143,902.50
  4. Step 4: Simplify right side
    587,134.50x = 126,735,187,896.45
  5. Step 5: Solve for x
    x = 126,735,187,896.45/587,134.50
  6. Step 6: Final answer
    x = 215,853.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.