Home / 386,532.80-579,799.20-244,815.20

Finding the Fourth Proportional to 386,532.80, 579,799.20 and 244,815.20

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Solution

The fourth proportional to 386,532.80, 579,799.20 and 244,815.20 is: 367,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,532.80 : 579,799.20 = 244,815.20 : x
  2. Step 2: Convert to fraction form
    386,532.80/579,799.20 = 244,815.20/x
  3. Step 3: Cross multiply
    386,532.80x = 579,799.20 × 244,815.20
  4. Step 4: Simplify right side
    386,532.80x = 141,943,657,107.84
  5. Step 5: Solve for x
    x = 141,943,657,107.84/386,532.80
  6. Step 6: Final answer
    x = 367,222.80

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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.