Home / 305,500.55-458,141.46-105,767.31

Finding the Fourth Proportional to 305,500.55, 458,141.46 and 105,767.31

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Solution

The fourth proportional to 305,500.55, 458,141.46 and 105,767.31 is: 158,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,500.55 : 458,141.46 = 105,767.31 : x
  2. Step 2: Convert to fraction form
    305,500.55/458,141.46 = 105,767.31/x
  3. Step 3: Cross multiply
    305,500.55x = 458,141.46 × 105,767.31
  4. Step 4: Simplify right side
    305,500.55x = 48,456,389,823.67
  5. Step 5: Solve for x
    x = 48,456,389,823.67/305,500.55
  6. Step 6: Final answer
    x = 158,613.10

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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.