Home / 418,974.62-578,380.93-268,159.10

Finding the Fourth Proportional to 418,974.62, 578,380.93 and 268,159.10

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Solution

The fourth proportional to 418,974.62, 578,380.93 and 268,159.10 is: 370,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,974.62 : 578,380.93 = 268,159.10 : x
  2. Step 2: Convert to fraction form
    418,974.62/578,380.93 = 268,159.10/x
  3. Step 3: Cross multiply
    418,974.62x = 578,380.93 × 268,159.10
  4. Step 4: Simplify right side
    418,974.62x = 155,098,106,754.06
  5. Step 5: Solve for x
    x = 155,098,106,754.06/418,974.62
  6. Step 6: Final answer
    x = 370,184.97

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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.