Home / 384,839.40-576,870.30-174,628.20

Finding the Fourth Proportional to 384,839.40, 576,870.30 and 174,628.20

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Solution

The fourth proportional to 384,839.40, 576,870.30 and 174,628.20 is: 261,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,839.40 : 576,870.30 = 174,628.20 : x
  2. Step 2: Convert to fraction form
    384,839.40/576,870.30 = 174,628.20/x
  3. Step 3: Cross multiply
    384,839.40x = 576,870.30 × 174,628.20
  4. Step 4: Simplify right side
    384,839.40x = 100,737,822,122.46
  5. Step 5: Solve for x
    x = 100,737,822,122.46/384,839.40
  6. Step 6: Final answer
    x = 261,765.87

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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.