Home / 331,660.38-457,549.48-216,739.58

Finding the Fourth Proportional to 331,660.38, 457,549.48 and 216,739.58

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Solution

The fourth proportional to 331,660.38, 457,549.48 and 216,739.58 is: 299,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,660.38 : 457,549.48 = 216,739.58 : x
  2. Step 2: Convert to fraction form
    331,660.38/457,549.48 = 216,739.58/x
  3. Step 3: Cross multiply
    331,660.38x = 457,549.48 × 216,739.58
  4. Step 4: Simplify right side
    331,660.38x = 99,169,079,294.82
  5. Step 5: Solve for x
    x = 99,169,079,294.82/331,660.38
  6. Step 6: Final answer
    x = 299,007.92

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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.