Home / 288,521.04-432,839.88-98,974.56

Finding the Fourth Proportional to 288,521.04, 432,839.88 and 98,974.56

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Solution

The fourth proportional to 288,521.04, 432,839.88 and 98,974.56 is: 148,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,521.04 : 432,839.88 = 98,974.56 : x
  2. Step 2: Convert to fraction form
    288,521.04/432,839.88 = 98,974.56/x
  3. Step 3: Cross multiply
    288,521.04x = 432,839.88 × 98,974.56
  4. Step 4: Simplify right side
    288,521.04x = 42,840,136,673.45
  5. Step 5: Solve for x
    x = 42,840,136,673.45/288,521.04
  6. Step 6: Final answer
    x = 148,481.85

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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.