Home / 257,470.27-355,309.41-144,293.02

Finding the Fourth Proportional to 257,470.27, 355,309.41 and 144,293.02

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Solution

The fourth proportional to 257,470.27, 355,309.41 and 144,293.02 is: 199,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,470.27 : 355,309.41 = 144,293.02 : x
  2. Step 2: Convert to fraction form
    257,470.27/355,309.41 = 144,293.02/x
  3. Step 3: Cross multiply
    257,470.27x = 355,309.41 × 144,293.02
  4. Step 4: Simplify right side
    257,470.27x = 51,268,667,803.32
  5. Step 5: Solve for x
    x = 51,268,667,803.32/257,470.27
  6. Step 6: Final answer
    x = 199,124.61

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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.