Home / 257,275.44-355,056.48-144,105.12

Finding the Fourth Proportional to 257,275.44, 355,056.48 and 144,105.12

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Solution

The fourth proportional to 257,275.44, 355,056.48 and 144,105.12 is: 198,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,275.44 : 355,056.48 = 144,105.12 : x
  2. Step 2: Convert to fraction form
    257,275.44/355,056.48 = 144,105.12/x
  3. Step 3: Cross multiply
    257,275.44x = 355,056.48 × 144,105.12
  4. Step 4: Simplify right side
    257,275.44x = 51,165,456,657.18
  5. Step 5: Solve for x
    x = 51,165,456,657.18/257,275.44
  6. Step 6: Final answer
    x = 198,874.24

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1.5x scale

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.