Home / 269,051.84-371,288.16-148,190.72

Finding the Fourth Proportional to 269,051.84, 371,288.16 and 148,190.72

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Solution

The fourth proportional to 269,051.84, 371,288.16 and 148,190.72 is: 204,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,051.84 : 371,288.16 = 148,190.72 : x
  2. Step 2: Convert to fraction form
    269,051.84/371,288.16 = 148,190.72/x
  3. Step 3: Cross multiply
    269,051.84x = 371,288.16 × 148,190.72
  4. Step 4: Simplify right side
    269,051.84x = 55,021,459,757.88
  5. Step 5: Solve for x
    x = 55,021,459,757.88/269,051.84
  6. Step 6: Final answer
    x = 204,501.33

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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.