Home / 269,146.45-371,421.90-148,287.74

Finding the Fourth Proportional to 269,146.45, 371,421.90 and 148,287.74

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Solution

The fourth proportional to 269,146.45, 371,421.90 and 148,287.74 is: 204,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,146.45 : 371,421.90 = 148,287.74 : x
  2. Step 2: Convert to fraction form
    269,146.45/371,421.90 = 148,287.74/x
  3. Step 3: Cross multiply
    269,146.45x = 371,421.90 × 148,287.74
  4. Step 4: Simplify right side
    269,146.45x = 55,077,313,325.02
  5. Step 5: Solve for x
    x = 55,077,313,325.02/269,146.45
  6. Step 6: Final answer
    x = 204,636.97

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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.