Home / 268,975.26-402,339.18-189,007.60

Finding the Fourth Proportional to 268,975.26, 402,339.18 and 189,007.60

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Solution

The fourth proportional to 268,975.26, 402,339.18 and 189,007.60 is: 282,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,975.26 : 402,339.18 = 189,007.60 : x
  2. Step 2: Convert to fraction form
    268,975.26/402,339.18 = 189,007.60/x
  3. Step 3: Cross multiply
    268,975.26x = 402,339.18 × 189,007.60
  4. Step 4: Simplify right side
    268,975.26x = 76,045,162,797.77
  5. Step 5: Solve for x
    x = 76,045,162,797.77/268,975.26
  6. Step 6: Final answer
    x = 282,721.77

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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.