Home / 259,217.64-388,977.66-140,901.48

Finding the Fourth Proportional to 259,217.64, 388,977.66 and 140,901.48

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Solution

The fourth proportional to 259,217.64, 388,977.66 and 140,901.48 is: 211,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,217.64 : 388,977.66 = 140,901.48 : x
  2. Step 2: Convert to fraction form
    259,217.64/388,977.66 = 140,901.48/x
  3. Step 3: Cross multiply
    259,217.64x = 388,977.66 × 140,901.48
  4. Step 4: Simplify right side
    259,217.64x = 54,807,527,980.94
  5. Step 5: Solve for x
    x = 54,807,527,980.94/259,217.64
  6. Step 6: Final answer
    x = 211,434.41

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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.