Home / 259,548.20-389,322.30-170,901.80

Finding the Fourth Proportional to 259,548.20, 389,322.30 and 170,901.80

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Solution

The fourth proportional to 259,548.20, 389,322.30 and 170,901.80 is: 256,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,548.20 : 389,322.30 = 170,901.80 : x
  2. Step 2: Convert to fraction form
    259,548.20/389,322.30 = 170,901.80/x
  3. Step 3: Cross multiply
    259,548.20x = 389,322.30 × 170,901.80
  4. Step 4: Simplify right side
    259,548.20x = 66,535,881,850.14
  5. Step 5: Solve for x
    x = 66,535,881,850.14/259,548.20
  6. Step 6: Final answer
    x = 256,352.70

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1.5x scale

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.