Home / 230,723.28-345,877.56-90,582.48

Finding the Fourth Proportional to 230,723.28, 345,877.56 and 90,582.48

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Solution

The fourth proportional to 230,723.28, 345,877.56 and 90,582.48 is: 135,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,723.28 : 345,877.56 = 90,582.48 : x
  2. Step 2: Convert to fraction form
    230,723.28/345,877.56 = 90,582.48/x
  3. Step 3: Cross multiply
    230,723.28x = 345,877.56 × 90,582.48
  4. Step 4: Simplify right side
    230,723.28x = 31,330,447,161.15
  5. Step 5: Solve for x
    x = 31,330,447,161.15/230,723.28
  6. Step 6: Final answer
    x = 135,792.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.