Home / 380,855.20-571,282.80-96,545.20

Finding the Fourth Proportional to 380,855.20, 571,282.80 and 96,545.20

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Solution

The fourth proportional to 380,855.20, 571,282.80 and 96,545.20 is: 144,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,855.20 : 571,282.80 = 96,545.20 : x
  2. Step 2: Convert to fraction form
    380,855.20/571,282.80 = 96,545.20/x
  3. Step 3: Cross multiply
    380,855.20x = 571,282.80 × 96,545.20
  4. Step 4: Simplify right side
    380,855.20x = 55,154,612,182.56
  5. Step 5: Solve for x
    x = 55,154,612,182.56/380,855.20
  6. Step 6: Final answer
    x = 144,817.80

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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.