Home / 400,526.32-552,723.60-230,756.80

Finding the Fourth Proportional to 400,526.32, 552,723.60 and 230,756.80

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Solution

The fourth proportional to 400,526.32, 552,723.60 and 230,756.80 is: 318,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,526.32 : 552,723.60 = 230,756.80 : x
  2. Step 2: Convert to fraction form
    400,526.32/552,723.60 = 230,756.80/x
  3. Step 3: Cross multiply
    400,526.32x = 552,723.60 × 230,756.80
  4. Step 4: Simplify right side
    400,526.32x = 127,544,729,220.48
  5. Step 5: Solve for x
    x = 127,544,729,220.48/400,526.32
  6. Step 6: Final answer
    x = 318,442.82

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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.