Home / 269,218.20-403,827.30-91,925.40

Finding the Fourth Proportional to 269,218.20, 403,827.30 and 91,925.40

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Solution

The fourth proportional to 269,218.20, 403,827.30 and 91,925.40 is: 137,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,218.20 : 403,827.30 = 91,925.40 : x
  2. Step 2: Convert to fraction form
    269,218.20/403,827.30 = 91,925.40/x
  3. Step 3: Cross multiply
    269,218.20x = 403,827.30 × 91,925.40
  4. Step 4: Simplify right side
    269,218.20x = 37,121,986,083.42
  5. Step 5: Solve for x
    x = 37,121,986,083.42/269,218.20
  6. Step 6: Final answer
    x = 137,888.10

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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.