Home / 331,635.66-457,515.35-216,714.81

Finding the Fourth Proportional to 331,635.66, 457,515.35 and 216,714.81

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Solution

The fourth proportional to 331,635.66, 457,515.35 and 216,714.81 is: 298,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,635.66 : 457,515.35 = 216,714.81 : x
  2. Step 2: Convert to fraction form
    331,635.66/457,515.35 = 216,714.81/x
  3. Step 3: Cross multiply
    331,635.66x = 457,515.35 × 216,714.81
  4. Step 4: Simplify right side
    331,635.66x = 99,150,352,147.33
  5. Step 5: Solve for x
    x = 99,150,352,147.33/331,635.66
  6. Step 6: Final answer
    x = 298,973.74

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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.