Home / 629,140.80-943,842.24-208,449.60

Finding the Fourth Proportional to 629,140.80, 943,842.24 and 208,449.60

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Solution

The fourth proportional to 629,140.80, 943,842.24 and 208,449.60 is: 312,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,140.80 : 943,842.24 = 208,449.60 : x
  2. Step 2: Convert to fraction form
    629,140.80/943,842.24 = 208,449.60/x
  3. Step 3: Cross multiply
    629,140.80x = 943,842.24 × 208,449.60
  4. Step 4: Simplify right side
    629,140.80x = 196,743,537,391.10
  5. Step 5: Solve for x
    x = 196,743,537,391.10/629,140.80
  6. Step 6: Final answer
    x = 312,717.82

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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.