Home / 460,201.30-690,020.07-179,390.50

Finding the Fourth Proportional to 460,201.30, 690,020.07 and 179,390.50

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Solution

The fourth proportional to 460,201.30, 690,020.07 and 179,390.50 is: 268,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,201.30 : 690,020.07 = 179,390.50 : x
  2. Step 2: Convert to fraction form
    460,201.30/690,020.07 = 179,390.50/x
  3. Step 3: Cross multiply
    460,201.30x = 690,020.07 × 179,390.50
  4. Step 4: Simplify right side
    460,201.30x = 123,783,045,367.34
  5. Step 5: Solve for x
    x = 123,783,045,367.34/460,201.30
  6. Step 6: Final answer
    x = 268,975.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.