Home / 298,771.10-448,155.43-121,276.61

Finding the Fourth Proportional to 298,771.10, 448,155.43 and 121,276.61

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Solution

The fourth proportional to 298,771.10, 448,155.43 and 121,276.61 is: 181,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,771.10 : 448,155.43 = 121,276.61 : x
  2. Step 2: Convert to fraction form
    298,771.10/448,155.43 = 121,276.61/x
  3. Step 3: Cross multiply
    298,771.10x = 448,155.43 × 121,276.61
  4. Step 4: Simplify right side
    298,771.10x = 54,350,770,440.11
  5. Step 5: Solve for x
    x = 54,350,770,440.11/298,771.10
  6. Step 6: Final answer
    x = 181,914.42

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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.