Home / 400,270.43-552,397.70-230,559.23

Finding the Fourth Proportional to 400,270.43, 552,397.70 and 230,559.23

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Solution

The fourth proportional to 400,270.43, 552,397.70 and 230,559.23 is: 318,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,270.43 : 552,397.70 = 230,559.23 : x
  2. Step 2: Convert to fraction form
    400,270.43/552,397.70 = 230,559.23/x
  3. Step 3: Cross multiply
    400,270.43x = 552,397.70 × 230,559.23
  4. Step 4: Simplify right side
    400,270.43x = 127,360,390,323.16
  5. Step 5: Solve for x
    x = 127,360,390,323.16/400,270.43
  6. Step 6: Final answer
    x = 318,185.86

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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.