Home / 259,723.80-389,585.70-148,824.60

Finding the Fourth Proportional to 259,723.80, 389,585.70 and 148,824.60

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Solution

The fourth proportional to 259,723.80, 389,585.70 and 148,824.60 is: 223,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,723.80 : 389,585.70 = 148,824.60 : x
  2. Step 2: Convert to fraction form
    259,723.80/389,585.70 = 148,824.60/x
  3. Step 3: Cross multiply
    259,723.80x = 389,585.70 × 148,824.60
  4. Step 4: Simplify right side
    259,723.80x = 57,979,935,968.22
  5. Step 5: Solve for x
    x = 57,979,935,968.22/259,723.80
  6. Step 6: Final answer
    x = 223,236.90

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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.