Home / 257,334.30-355,070.79-144,135.18

Finding the Fourth Proportional to 257,334.30, 355,070.79 and 144,135.18

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Solution

The fourth proportional to 257,334.30, 355,070.79 and 144,135.18 is: 198,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,334.30 : 355,070.79 = 144,135.18 : x
  2. Step 2: Convert to fraction form
    257,334.30/355,070.79 = 144,135.18/x
  3. Step 3: Cross multiply
    257,334.30x = 355,070.79 × 144,135.18
  4. Step 4: Simplify right side
    257,334.30x = 51,178,192,229.39
  5. Step 5: Solve for x
    x = 51,178,192,229.39/257,334.30
  6. Step 6: Final answer
    x = 198,878.24

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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.