Home / 216,300.15-324,450.23-127,726.65

Finding the Fourth Proportional to 216,300.15, 324,450.23 and 127,726.65

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Solution

The fourth proportional to 216,300.15, 324,450.23 and 127,726.65 is: 191,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,300.15 : 324,450.23 = 127,726.65 : x
  2. Step 2: Convert to fraction form
    216,300.15/324,450.23 = 127,726.65/x
  3. Step 3: Cross multiply
    216,300.15x = 324,450.23 × 127,726.65
  4. Step 4: Simplify right side
    216,300.15x = 41,440,940,331.00
  5. Step 5: Solve for x
    x = 41,440,940,331.00/216,300.15
  6. Step 6: Final answer
    x = 191,589.98

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1.5x scale

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.