Home / 406,433.83-560,871.33-225,145.20

Finding the Fourth Proportional to 406,433.83, 560,871.33 and 225,145.20

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Solution

The fourth proportional to 406,433.83, 560,871.33 and 225,145.20 is: 310,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,433.83 : 560,871.33 = 225,145.20 : x
  2. Step 2: Convert to fraction form
    406,433.83/560,871.33 = 225,145.20/x
  3. Step 3: Cross multiply
    406,433.83x = 560,871.33 × 225,145.20
  4. Step 4: Simplify right side
    406,433.83x = 126,277,487,767.12
  5. Step 5: Solve for x
    x = 126,277,487,767.12/406,433.83
  6. Step 6: Final answer
    x = 310,696.30

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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.