Home / 257,261.24-355,025.40-144,083.72

Finding the Fourth Proportional to 257,261.24, 355,025.40 and 144,083.72

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Solution

The fourth proportional to 257,261.24, 355,025.40 and 144,083.72 is: 198,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,261.24 : 355,025.40 = 144,083.72 : x
  2. Step 2: Convert to fraction form
    257,261.24/355,025.40 = 144,083.72/x
  3. Step 3: Cross multiply
    257,261.24x = 355,025.40 × 144,083.72
  4. Step 4: Simplify right side
    257,261.24x = 51,153,380,326.49
  5. Step 5: Solve for x
    x = 51,153,380,326.49/257,261.24
  6. Step 6: Final answer
    x = 198,838.27

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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.