Home / 268,629.38-402,436.11-158,756.47

Finding the Fourth Proportional to 268,629.38, 402,436.11 and 158,756.47

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Solution

The fourth proportional to 268,629.38, 402,436.11 and 158,756.47 is: 237,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,629.38 : 402,436.11 = 158,756.47 : x
  2. Step 2: Convert to fraction form
    268,629.38/402,436.11 = 158,756.47/x
  3. Step 3: Cross multiply
    268,629.38x = 402,436.11 × 158,756.47
  4. Step 4: Simplify right side
    268,629.38x = 63,889,333,933.91
  5. Step 5: Solve for x
    x = 63,889,333,933.91/268,629.38
  6. Step 6: Final answer
    x = 237,834.50

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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.