Home / 257,027.10-385,540.65-173,046.30

Finding the Fourth Proportional to 257,027.10, 385,540.65 and 173,046.30

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Solution

The fourth proportional to 257,027.10, 385,540.65 and 173,046.30 is: 259,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,027.10 : 385,540.65 = 173,046.30 : x
  2. Step 2: Convert to fraction form
    257,027.10/385,540.65 = 173,046.30/x
  3. Step 3: Cross multiply
    257,027.10x = 385,540.65 × 173,046.30
  4. Step 4: Simplify right side
    257,027.10x = 66,716,382,982.10
  5. Step 5: Solve for x
    x = 66,716,382,982.10/257,027.10
  6. Step 6: Final answer
    x = 259,569.45

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1.5x scale

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.