Home / 265,479.32-398,277.27-195,145.40

Finding the Fourth Proportional to 265,479.32, 398,277.27 and 195,145.40

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Solution

The fourth proportional to 265,479.32, 398,277.27 and 195,145.40 is: 292,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,479.32 : 398,277.27 = 195,145.40 : x
  2. Step 2: Convert to fraction form
    265,479.32/398,277.27 = 195,145.40/x
  3. Step 3: Cross multiply
    265,479.32x = 398,277.27 × 195,145.40
  4. Step 4: Simplify right side
    265,479.32x = 77,721,978,160.75
  5. Step 5: Solve for x
    x = 77,721,978,160.75/265,479.32
  6. Step 6: Final answer
    x = 292,760.95

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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.