Home / 275,799.20-413,325.09-142,772.85

Finding the Fourth Proportional to 275,799.20, 413,325.09 and 142,772.85

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Solution

The fourth proportional to 275,799.20, 413,325.09 and 142,772.85 is: 213,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,799.20 : 413,325.09 = 142,772.85 : x
  2. Step 2: Convert to fraction form
    275,799.20/413,325.09 = 142,772.85/x
  3. Step 3: Cross multiply
    275,799.20x = 413,325.09 × 142,772.85
  4. Step 4: Simplify right side
    275,799.20x = 59,011,601,075.81
  5. Step 5: Solve for x
    x = 59,011,601,075.81/275,799.20
  6. Step 6: Final answer
    x = 213,965.82

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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.