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Finding the Fourth Proportional to 370,118.68, 555,198.29 and 117,380.87

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Solution

The fourth proportional to 370,118.68, 555,198.29 and 117,380.87 is: 176,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,118.68 : 555,198.29 = 117,380.87 : x
  2. Step 2: Convert to fraction form
    370,118.68/555,198.29 = 117,380.87/x
  3. Step 3: Cross multiply
    370,118.68x = 555,198.29 × 117,380.87
  4. Step 4: Simplify right side
    370,118.68x = 65,169,658,122.26
  5. Step 5: Solve for x
    x = 65,169,658,122.26/370,118.68
  6. Step 6: Final answer
    x = 176,077.73

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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.