Home / 269,555.86-371,986.04-148,704.67

Finding the Fourth Proportional to 269,555.86, 371,986.04 and 148,704.67

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Solution

The fourth proportional to 269,555.86, 371,986.04 and 148,704.67 is: 205,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,555.86 : 371,986.04 = 148,704.67 : x
  2. Step 2: Convert to fraction form
    269,555.86/371,986.04 = 148,704.67/x
  3. Step 3: Cross multiply
    269,555.86x = 371,986.04 × 148,704.67
  4. Step 4: Simplify right side
    269,555.86x = 55,316,058,719.35
  5. Step 5: Solve for x
    x = 55,316,058,719.35/269,555.86
  6. Step 6: Final answer
    x = 205,211.86

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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.