Home / 269,421.78-371,824.20-148,586.70

Finding the Fourth Proportional to 269,421.78, 371,824.20 and 148,586.70

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Solution

The fourth proportional to 269,421.78, 371,824.20 and 148,586.70 is: 205,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,421.78 : 371,824.20 = 148,586.70 : x
  2. Step 2: Convert to fraction form
    269,421.78/371,824.20 = 148,586.70/x
  3. Step 3: Cross multiply
    269,421.78x = 371,824.20 × 148,586.70
  4. Step 4: Simplify right side
    269,421.78x = 55,248,130,858.14
  5. Step 5: Solve for x
    x = 55,248,130,858.14/269,421.78
  6. Step 6: Final answer
    x = 205,061.86

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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.