Home / 269,286.72-371,613.81-148,428.10

Finding the Fourth Proportional to 269,286.72, 371,613.81 and 148,428.10

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Solution

The fourth proportional to 269,286.72, 371,613.81 and 148,428.10 is: 204,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,286.72 : 371,613.81 = 148,428.10 : x
  2. Step 2: Convert to fraction form
    269,286.72/371,613.81 = 148,428.10/x
  3. Step 3: Cross multiply
    269,286.72x = 371,613.81 × 148,428.10
  4. Step 4: Simplify right side
    269,286.72x = 55,157,931,752.06
  5. Step 5: Solve for x
    x = 55,157,931,752.06/269,286.72
  6. Step 6: Final answer
    x = 204,829.75

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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.