Home / 345,217.94-476,400.82-202,005.48

Finding the Fourth Proportional to 345,217.94, 476,400.82 and 202,005.48

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Solution

The fourth proportional to 345,217.94, 476,400.82 and 202,005.48 is: 278,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,217.94 : 476,400.82 = 202,005.48 : x
  2. Step 2: Convert to fraction form
    345,217.94/476,400.82 = 202,005.48/x
  3. Step 3: Cross multiply
    345,217.94x = 476,400.82 × 202,005.48
  4. Step 4: Simplify right side
    345,217.94x = 96,235,576,316.49
  5. Step 5: Solve for x
    x = 96,235,576,316.49/345,217.94
  6. Step 6: Final answer
    x = 278,767.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.