Home / 225,582.90-311,304.47-123,607.53

Finding the Fourth Proportional to 225,582.90, 311,304.47 and 123,607.53

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Solution

The fourth proportional to 225,582.90, 311,304.47 and 123,607.53 is: 170,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,582.90 : 311,304.47 = 123,607.53 : x
  2. Step 2: Convert to fraction form
    225,582.90/311,304.47 = 123,607.53/x
  3. Step 3: Cross multiply
    225,582.90x = 311,304.47 × 123,607.53
  4. Step 4: Simplify right side
    225,582.90x = 38,479,575,996.62
  5. Step 5: Solve for x
    x = 38,479,575,996.62/225,582.90
  6. Step 6: Final answer
    x = 170,578.43

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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.