Home / 400,683.28-552,937.80-230,933.20

Finding the Fourth Proportional to 400,683.28, 552,937.80 and 230,933.20

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Solution

The fourth proportional to 400,683.28, 552,937.80 and 230,933.20 is: 318,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,683.28 : 552,937.80 = 230,933.20 : x
  2. Step 2: Convert to fraction form
    400,683.28/552,937.80 = 230,933.20/x
  3. Step 3: Cross multiply
    400,683.28x = 552,937.80 × 230,933.20
  4. Step 4: Simplify right side
    400,683.28x = 127,691,695,554.96
  5. Step 5: Solve for x
    x = 127,691,695,554.96/400,683.28
  6. Step 6: Final answer
    x = 318,684.86

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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.