Home / 664,731.80-996,903.30-238,218.20

Finding the Fourth Proportional to 664,731.80, 996,903.30 and 238,218.20

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Solution

The fourth proportional to 664,731.80, 996,903.30 and 238,218.20 is: 357,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,731.80 : 996,903.30 = 238,218.20 : x
  2. Step 2: Convert to fraction form
    664,731.80/996,903.30 = 238,218.20/x
  3. Step 3: Cross multiply
    664,731.80x = 996,903.30 × 238,218.20
  4. Step 4: Simplify right side
    664,731.80x = 237,480,509,700.06
  5. Step 5: Solve for x
    x = 237,480,509,700.06/664,731.80
  6. Step 6: Final answer
    x = 357,257.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.