Home / 216,726.76-298,418.34-189,718.12

Finding the Fourth Proportional to 216,726.76, 298,418.34 and 189,718.12

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Solution

The fourth proportional to 216,726.76, 298,418.34 and 189,718.12 is: 261,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,726.76 : 298,418.34 = 189,718.12 : x
  2. Step 2: Convert to fraction form
    216,726.76/298,418.34 = 189,718.12/x
  3. Step 3: Cross multiply
    216,726.76x = 298,418.34 × 189,718.12
  4. Step 4: Simplify right side
    216,726.76x = 56,615,366,438.32
  5. Step 5: Solve for x
    x = 56,615,366,438.32/216,726.76
  6. Step 6: Final answer
    x = 261,229.24

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Double scale
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1.5x scale

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.