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Finding the Fourth Proportional to 295,756.85, 443,445.77 and 124,932.15

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Solution

The fourth proportional to 295,756.85, 443,445.77 and 124,932.15 is: 187,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,756.85 : 443,445.77 = 124,932.15 : x
  2. Step 2: Convert to fraction form
    295,756.85/443,445.77 = 124,932.15/x
  3. Step 3: Cross multiply
    295,756.85x = 443,445.77 × 124,932.15
  4. Step 4: Simplify right side
    295,756.85x = 55,400,633,454.51
  5. Step 5: Solve for x
    x = 55,400,633,454.51/295,756.85
  6. Step 6: Final answer
    x = 187,318.18

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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.