Home / 451,145.17-676,515.45-268,862.05

Finding the Fourth Proportional to 451,145.17, 676,515.45 and 268,862.05

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Solution

The fourth proportional to 451,145.17, 676,515.45 and 268,862.05 is: 403,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,145.17 : 676,515.45 = 268,862.05 : x
  2. Step 2: Convert to fraction form
    451,145.17/676,515.45 = 268,862.05/x
  3. Step 3: Cross multiply
    451,145.17x = 676,515.45 × 268,862.05
  4. Step 4: Simplify right side
    451,145.17x = 181,889,329,052.38
  5. Step 5: Solve for x
    x = 181,889,329,052.38/451,145.17
  6. Step 6: Final answer
    x = 403,172.51

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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.