Home / 391,344.08-586,776.20-166,576.55

Finding the Fourth Proportional to 391,344.08, 586,776.20 and 166,576.55

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Solution

The fourth proportional to 391,344.08, 586,776.20 and 166,576.55 is: 249,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,344.08 : 586,776.20 = 166,576.55 : x
  2. Step 2: Convert to fraction form
    391,344.08/586,776.20 = 166,576.55/x
  3. Step 3: Cross multiply
    391,344.08x = 586,776.20 × 166,576.55
  4. Step 4: Simplify right side
    391,344.08x = 97,743,151,251.35
  5. Step 5: Solve for x
    x = 97,743,151,251.35/391,344.08
  6. Step 6: Final answer
    x = 249,762.70

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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.