Home / 275,798.20-413,323.59-142,771.85

Finding the Fourth Proportional to 275,798.20, 413,323.59 and 142,771.85

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Solution

The fourth proportional to 275,798.20, 413,323.59 and 142,771.85 is: 213,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,798.20 : 413,323.59 = 142,771.85 : x
  2. Step 2: Convert to fraction form
    275,798.20/413,323.59 = 142,771.85/x
  3. Step 3: Cross multiply
    275,798.20x = 413,323.59 × 142,771.85
  4. Step 4: Simplify right side
    275,798.20x = 59,010,973,592.94
  5. Step 5: Solve for x
    x = 59,010,973,592.94/275,798.20
  6. Step 6: Final answer
    x = 213,964.32

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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.