Home / 231,387.84-347,114.66-71,477.36

Finding the Fourth Proportional to 231,387.84, 347,114.66 and 71,477.36

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Solution

The fourth proportional to 231,387.84, 347,114.66 and 71,477.36 is: 107,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,387.84 : 347,114.66 = 71,477.36 : x
  2. Step 2: Convert to fraction form
    231,387.84/347,114.66 = 71,477.36/x
  3. Step 3: Cross multiply
    231,387.84x = 347,114.66 × 71,477.36
  4. Step 4: Simplify right side
    231,387.84x = 24,810,839,514.10
  5. Step 5: Solve for x
    x = 24,810,839,514.10/231,387.84
  6. Step 6: Final answer
    x = 107,226.20

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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.