Home / 384,742.15-576,974.82-131,957.07

Finding the Fourth Proportional to 384,742.15, 576,974.82 and 131,957.07

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Solution

The fourth proportional to 384,742.15, 576,974.82 and 131,957.07 is: 197,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,742.15 : 576,974.82 = 131,957.07 : x
  2. Step 2: Convert to fraction form
    384,742.15/576,974.82 = 131,957.07/x
  3. Step 3: Cross multiply
    384,742.15x = 576,974.82 × 131,957.07
  4. Step 4: Simplify right side
    384,742.15x = 76,135,909,539.26
  5. Step 5: Solve for x
    x = 76,135,909,539.26/384,742.15
  6. Step 6: Final answer
    x = 197,888.14

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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.