Home / 329,986.20-494,079.14-249,781.05

Finding the Fourth Proportional to 329,986.20, 494,079.14 and 249,781.05

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Solution

The fourth proportional to 329,986.20, 494,079.14 and 249,781.05 is: 373,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,986.20 : 494,079.14 = 249,781.05 : x
  2. Step 2: Convert to fraction form
    329,986.20/494,079.14 = 249,781.05/x
  3. Step 3: Cross multiply
    329,986.20x = 494,079.14 × 249,781.05
  4. Step 4: Simplify right side
    329,986.20x = 123,411,603,901.90
  5. Step 5: Solve for x
    x = 123,411,603,901.90/329,986.20
  6. Step 6: Final answer
    x = 373,990.20

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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.