Home / 257,700.08-355,625.42-144,525.26

Finding the Fourth Proportional to 257,700.08, 355,625.42 and 144,525.26

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Solution

The fourth proportional to 257,700.08, 355,625.42 and 144,525.26 is: 199,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,700.08 : 355,625.42 = 144,525.26 : x
  2. Step 2: Convert to fraction form
    257,700.08/355,625.42 = 144,525.26/x
  3. Step 3: Cross multiply
    257,700.08x = 355,625.42 × 144,525.26
  4. Step 4: Simplify right side
    257,700.08x = 51,396,856,288.11
  5. Step 5: Solve for x
    x = 51,396,856,288.11/257,700.08
  6. Step 6: Final answer
    x = 199,444.47

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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.