Home / 269,424.80-371,828.36-148,589.72

Finding the Fourth Proportional to 269,424.80, 371,828.36 and 148,589.72

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Solution

The fourth proportional to 269,424.80, 371,828.36 and 148,589.72 is: 205,066.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,424.80 : 371,828.36 = 148,589.72 : x
  2. Step 2: Convert to fraction form
    269,424.80/371,828.36 = 148,589.72/x
  3. Step 3: Cross multiply
    269,424.80x = 371,828.36 × 148,589.72
  4. Step 4: Simplify right side
    269,424.80x = 55,249,871,900.46
  5. Step 5: Solve for x
    x = 55,249,871,900.46/269,424.80
  6. Step 6: Final answer
    x = 205,066.02

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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.