Home / 257,823.80-355,799.28-144,648.96

Finding the Fourth Proportional to 257,823.80, 355,799.28 and 144,648.96

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Solution

The fourth proportional to 257,823.80, 355,799.28 and 144,648.96 is: 199,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,823.80 : 355,799.28 = 144,648.96 : x
  2. Step 2: Convert to fraction form
    257,823.80/355,799.28 = 144,648.96/x
  3. Step 3: Cross multiply
    257,823.80x = 355,799.28 × 144,648.96
  4. Step 4: Simplify right side
    257,823.80x = 51,465,995,820.75
  5. Step 5: Solve for x
    x = 51,465,995,820.75/257,823.80
  6. Step 6: Final answer
    x = 199,616.93

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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.