Home / 305,500.30-458,141.09-105,767.05

Finding the Fourth Proportional to 305,500.30, 458,141.09 and 105,767.05

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Solution

The fourth proportional to 305,500.30, 458,141.09 and 105,767.05 is: 158,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,500.30 : 458,141.09 = 105,767.05 : x
  2. Step 2: Convert to fraction form
    305,500.30/458,141.09 = 105,767.05/x
  3. Step 3: Cross multiply
    305,500.30x = 458,141.09 × 105,767.05
  4. Step 4: Simplify right side
    305,500.30x = 48,456,231,573.08
  5. Step 5: Solve for x
    x = 48,456,231,573.08/305,500.30
  6. Step 6: Final answer
    x = 158,612.71

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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.