Home / 454,254.80-681,424.32-154,634.72

Finding the Fourth Proportional to 454,254.80, 681,424.32 and 154,634.72

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Solution

The fourth proportional to 454,254.80, 681,424.32 and 154,634.72 is: 231,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,254.80 : 681,424.32 = 154,634.72 : x
  2. Step 2: Convert to fraction form
    454,254.80/681,424.32 = 154,634.72/x
  3. Step 3: Cross multiply
    454,254.80x = 681,424.32 × 154,634.72
  4. Step 4: Simplify right side
    454,254.80x = 105,371,858,924.39
  5. Step 5: Solve for x
    x = 105,371,858,924.39/454,254.80
  6. Step 6: Final answer
    x = 231,966.42

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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.