Home / 282,636.12-423,956.62-82,959.78

Finding the Fourth Proportional to 282,636.12, 423,956.62 and 82,959.78

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Solution

The fourth proportional to 282,636.12, 423,956.62 and 82,959.78 is: 124,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,636.12 : 423,956.62 = 82,959.78 : x
  2. Step 2: Convert to fraction form
    282,636.12/423,956.62 = 82,959.78/x
  3. Step 3: Cross multiply
    282,636.12x = 423,956.62 × 82,959.78
  4. Step 4: Simplify right side
    282,636.12x = 35,171,347,924.74
  5. Step 5: Solve for x
    x = 35,171,347,924.74/282,636.12
  6. Step 6: Final answer
    x = 124,440.39

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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.