Home / 384,138.12-576,228.78-103,677.24

Finding the Fourth Proportional to 384,138.12, 576,228.78 and 103,677.24

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Solution

The fourth proportional to 384,138.12, 576,228.78 and 103,677.24 is: 155,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,138.12 : 576,228.78 = 103,677.24 : x
  2. Step 2: Convert to fraction form
    384,138.12/576,228.78 = 103,677.24/x
  3. Step 3: Cross multiply
    384,138.12x = 576,228.78 × 103,677.24
  4. Step 4: Simplify right side
    384,138.12x = 59,741,809,518.97
  5. Step 5: Solve for x
    x = 59,741,809,518.97/384,138.12
  6. Step 6: Final answer
    x = 155,521.69

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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.