Home / 269,001.45-371,207.78-154,274.16

Finding the Fourth Proportional to 269,001.45, 371,207.78 and 154,274.16

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Solution

The fourth proportional to 269,001.45, 371,207.78 and 154,274.16 is: 212,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,001.45 : 371,207.78 = 154,274.16 : x
  2. Step 2: Convert to fraction form
    269,001.45/371,207.78 = 154,274.16/x
  3. Step 3: Cross multiply
    269,001.45x = 371,207.78 × 154,274.16
  4. Step 4: Simplify right side
    269,001.45x = 57,267,768,444.96
  5. Step 5: Solve for x
    x = 57,267,768,444.96/269,001.45
  6. Step 6: Final answer
    x = 212,890.18

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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.