Home / 257,273.16-355,080.90-149,906.82

Finding the Fourth Proportional to 257,273.16, 355,080.90 and 149,906.82

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Solution

The fourth proportional to 257,273.16, 355,080.90 and 149,906.82 is: 206,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,273.16 : 355,080.90 = 149,906.82 : x
  2. Step 2: Convert to fraction form
    257,273.16/355,080.90 = 149,906.82/x
  3. Step 3: Cross multiply
    257,273.16x = 355,080.90 × 149,906.82
  4. Step 4: Simplify right side
    257,273.16x = 53,229,048,561.74
  5. Step 5: Solve for x
    x = 53,229,048,561.74/257,273.16
  6. Step 6: Final answer
    x = 206,897.01

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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.