Home / 289,872.46-400,028.13-175,135.18

Finding the Fourth Proportional to 289,872.46, 400,028.13 and 175,135.18

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Solution

The fourth proportional to 289,872.46, 400,028.13 and 175,135.18 is: 241,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,872.46 : 400,028.13 = 175,135.18 : x
  2. Step 2: Convert to fraction form
    289,872.46/400,028.13 = 175,135.18/x
  3. Step 3: Cross multiply
    289,872.46x = 400,028.13 × 175,135.18
  4. Step 4: Simplify right side
    289,872.46x = 70,058,998,552.61
  5. Step 5: Solve for x
    x = 70,058,998,552.61/289,872.46
  6. Step 6: Final answer
    x = 241,689.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.