Home / 388,333.88-582,710.08-163,849.90

Finding the Fourth Proportional to 388,333.88, 582,710.08 and 163,849.90

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Solution

The fourth proportional to 388,333.88, 582,710.08 and 163,849.90 is: 245,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,333.88 : 582,710.08 = 163,849.90 : x
  2. Step 2: Convert to fraction form
    388,333.88/582,710.08 = 163,849.90/x
  3. Step 3: Cross multiply
    388,333.88x = 582,710.08 × 163,849.90
  4. Step 4: Simplify right side
    388,333.88x = 95,476,988,336.99
  5. Step 5: Solve for x
    x = 95,476,988,336.99/388,333.88
  6. Step 6: Final answer
    x = 245,863.14

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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.