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Finding the Fourth Proportional to 591,710.40, 887,594.40 and 165,245.76

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Solution

The fourth proportional to 591,710.40, 887,594.40 and 165,245.76 is: 247,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,710.40 : 887,594.40 = 165,245.76 : x
  2. Step 2: Convert to fraction form
    591,710.40/887,594.40 = 165,245.76/x
  3. Step 3: Cross multiply
    591,710.40x = 887,594.40 × 165,245.76
  4. Step 4: Simplify right side
    591,710.40x = 146,671,211,199.74
  5. Step 5: Solve for x
    x = 146,671,211,199.74/591,710.40
  6. Step 6: Final answer
    x = 247,876.68

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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.