Home / 257,148.30-385,784.04-107,305.24

Finding the Fourth Proportional to 257,148.30, 385,784.04 and 107,305.24

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Solution

The fourth proportional to 257,148.30, 385,784.04 and 107,305.24 is: 160,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,148.30 : 385,784.04 = 107,305.24 : x
  2. Step 2: Convert to fraction form
    257,148.30/385,784.04 = 107,305.24/x
  3. Step 3: Cross multiply
    257,148.30x = 385,784.04 × 107,305.24
  4. Step 4: Simplify right side
    257,148.30x = 41,396,648,558.06
  5. Step 5: Solve for x
    x = 41,396,648,558.06/257,148.30
  6. Step 6: Final answer
    x = 160,983.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.