Home / 835,100.78-1,252,037.72-266,154.48

Finding the Fourth Proportional to 835,100.78, 1,252,037.72 and 266,154.48

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Solution

The fourth proportional to 835,100.78, 1,252,037.72 and 266,154.48 is: 399,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,100.78 : 1,252,037.72 = 266,154.48 : x
  2. Step 2: Convert to fraction form
    835,100.78/1,252,037.72 = 266,154.48/x
  3. Step 3: Cross multiply
    835,100.78x = 1,252,037.72 × 266,154.48
  4. Step 4: Simplify right side
    835,100.78x = 333,235,446,976.21
  5. Step 5: Solve for x
    x = 333,235,446,976.21/835,100.78
  6. Step 6: Final answer
    x = 399,036.21

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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.