Home / 275,772.26-413,465.41-140,878.10

Finding the Fourth Proportional to 275,772.26, 413,465.41 and 140,878.10

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Solution

The fourth proportional to 275,772.26, 413,465.41 and 140,878.10 is: 211,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,772.26 : 413,465.41 = 140,878.10 : x
  2. Step 2: Convert to fraction form
    275,772.26/413,465.41 = 140,878.10/x
  3. Step 3: Cross multiply
    275,772.26x = 413,465.41 × 140,878.10
  4. Step 4: Simplify right side
    275,772.26x = 58,248,221,376.52
  5. Step 5: Solve for x
    x = 58,248,221,376.52/275,772.26
  6. Step 6: Final answer
    x = 211,218.57

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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.