Home / 216,275.15-298,460.34-120,785.46

Finding the Fourth Proportional to 216,275.15, 298,460.34 and 120,785.46

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Solution

The fourth proportional to 216,275.15, 298,460.34 and 120,785.46 is: 166,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,275.15 : 298,460.34 = 120,785.46 : x
  2. Step 2: Convert to fraction form
    216,275.15/298,460.34 = 120,785.46/x
  3. Step 3: Cross multiply
    216,275.15x = 298,460.34 × 120,785.46
  4. Step 4: Simplify right side
    216,275.15x = 36,049,669,458.66
  5. Step 5: Solve for x
    x = 36,049,669,458.66/216,275.15
  6. Step 6: Final answer
    x = 166,684.29

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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.