Home / 282,020.20-423,030.30-269,578.60

Finding the Fourth Proportional to 282,020.20, 423,030.30 and 269,578.60

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Solution

The fourth proportional to 282,020.20, 423,030.30 and 269,578.60 is: 404,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,020.20 : 423,030.30 = 269,578.60 : x
  2. Step 2: Convert to fraction form
    282,020.20/423,030.30 = 269,578.60/x
  3. Step 3: Cross multiply
    282,020.20x = 423,030.30 × 269,578.60
  4. Step 4: Simplify right side
    282,020.20x = 114,039,916,031.58
  5. Step 5: Solve for x
    x = 114,039,916,031.58/282,020.20
  6. Step 6: Final answer
    x = 404,367.90

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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.