Home / 286,997.72-396,050.74-166,144.12

Finding the Fourth Proportional to 286,997.72, 396,050.74 and 166,144.12

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Solution

The fourth proportional to 286,997.72, 396,050.74 and 166,144.12 is: 229,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,997.72 : 396,050.74 = 166,144.12 : x
  2. Step 2: Convert to fraction form
    286,997.72/396,050.74 = 166,144.12/x
  3. Step 3: Cross multiply
    286,997.72x = 396,050.74 × 166,144.12
  4. Step 4: Simplify right side
    286,997.72x = 65,801,501,672.65
  5. Step 5: Solve for x
    x = 65,801,501,672.65/286,997.72
  6. Step 6: Final answer
    x = 229,275.35

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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.