Home / 389,932.02-584,897.97-212,588.16

Finding the Fourth Proportional to 389,932.02, 584,897.97 and 212,588.16

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Solution

The fourth proportional to 389,932.02, 584,897.97 and 212,588.16 is: 318,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,932.02 : 584,897.97 = 212,588.16 : x
  2. Step 2: Convert to fraction form
    389,932.02/584,897.97 = 212,588.16/x
  3. Step 3: Cross multiply
    389,932.02x = 584,897.97 × 212,588.16
  4. Step 4: Simplify right side
    389,932.02x = 124,342,383,230.04
  5. Step 5: Solve for x
    x = 124,342,383,230.04/389,932.02
  6. Step 6: Final answer
    x = 318,882.21

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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.