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Finding the Fourth Proportional to 360,933.74, 541,394.22 and 124,271.18

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Solution

The fourth proportional to 360,933.74, 541,394.22 and 124,271.18 is: 186,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,933.74 : 541,394.22 = 124,271.18 : x
  2. Step 2: Convert to fraction form
    360,933.74/541,394.22 = 124,271.18/x
  3. Step 3: Cross multiply
    360,933.74x = 541,394.22 × 124,271.18
  4. Step 4: Simplify right side
    360,933.74x = 67,279,698,564.58
  5. Step 5: Solve for x
    x = 67,279,698,564.58/360,933.74
  6. Step 6: Final answer
    x = 186,404.57

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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.