Home / 269,231.81-371,542.41-148,377.51

Finding the Fourth Proportional to 269,231.81, 371,542.41 and 148,377.51

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Solution

The fourth proportional to 269,231.81, 371,542.41 and 148,377.51 is: 204,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,231.81 : 371,542.41 = 148,377.51 : x
  2. Step 2: Convert to fraction form
    269,231.81/371,542.41 = 148,377.51/x
  3. Step 3: Cross multiply
    269,231.81x = 371,542.41 × 148,377.51
  4. Step 4: Simplify right side
    269,231.81x = 55,128,537,655.20
  5. Step 5: Solve for x
    x = 55,128,537,655.20/269,231.81
  6. Step 6: Final answer
    x = 204,762.35

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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.