Home / 331,647.97-457,532.38-216,727.15

Finding the Fourth Proportional to 331,647.97, 457,532.38 and 216,727.15

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Solution

The fourth proportional to 331,647.97, 457,532.38 and 216,727.15 is: 298,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,647.97 : 457,532.38 = 216,727.15 : x
  2. Step 2: Convert to fraction form
    331,647.97/457,532.38 = 216,727.15/x
  3. Step 3: Cross multiply
    331,647.97x = 457,532.38 × 216,727.15
  4. Step 4: Simplify right side
    331,647.97x = 99,159,688,750.12
  5. Step 5: Solve for x
    x = 99,159,688,750.12/331,647.97
  6. Step 6: Final answer
    x = 298,990.79

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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.