Home / 257,914.68-355,957.02-144,743.64

Finding the Fourth Proportional to 257,914.68, 355,957.02 and 144,743.64

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Solution

The fourth proportional to 257,914.68, 355,957.02 and 144,743.64 is: 199,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,914.68 : 355,957.02 = 144,743.64 : x
  2. Step 2: Convert to fraction form
    257,914.68/355,957.02 = 144,743.64/x
  3. Step 3: Cross multiply
    257,914.68x = 355,957.02 × 144,743.64
  4. Step 4: Simplify right side
    257,914.68x = 51,522,514,758.35
  5. Step 5: Solve for x
    x = 51,522,514,758.35/257,914.68
  6. Step 6: Final answer
    x = 199,765.73

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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.