Home / 245,578.20-368,151.30-166,435.80

Finding the Fourth Proportional to 245,578.20, 368,151.30 and 166,435.80

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Solution

The fourth proportional to 245,578.20, 368,151.30 and 166,435.80 is: 249,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,578.20 : 368,151.30 = 166,435.80 : x
  2. Step 2: Convert to fraction form
    245,578.20/368,151.30 = 166,435.80/x
  3. Step 3: Cross multiply
    245,578.20x = 368,151.30 × 166,435.80
  4. Step 4: Simplify right side
    245,578.20x = 61,273,556,136.54
  5. Step 5: Solve for x
    x = 61,273,556,136.54/245,578.20
  6. Step 6: Final answer
    x = 249,507.31

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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.