Home / 257,004.24-354,654.18-142,287.18

Finding the Fourth Proportional to 257,004.24, 354,654.18 and 142,287.18

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Solution

The fourth proportional to 257,004.24, 354,654.18 and 142,287.18 is: 196,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,004.24 : 354,654.18 = 142,287.18 : x
  2. Step 2: Convert to fraction form
    257,004.24/354,654.18 = 142,287.18/x
  3. Step 3: Cross multiply
    257,004.24x = 354,654.18 × 142,287.18
  4. Step 4: Simplify right side
    257,004.24x = 50,462,743,147.41
  5. Step 5: Solve for x
    x = 50,462,743,147.41/257,004.24
  6. Step 6: Final answer
    x = 196,349.85

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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.