Home / 345,155.04-476,301.06-192,198.69

Finding the Fourth Proportional to 345,155.04, 476,301.06 and 192,198.69

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Solution

The fourth proportional to 345,155.04, 476,301.06 and 192,198.69 is: 265,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,155.04 : 476,301.06 = 192,198.69 : x
  2. Step 2: Convert to fraction form
    345,155.04/476,301.06 = 192,198.69/x
  3. Step 3: Cross multiply
    345,155.04x = 476,301.06 × 192,198.69
  4. Step 4: Simplify right side
    345,155.04x = 91,544,439,777.61
  5. Step 5: Solve for x
    x = 91,544,439,777.61/345,155.04
  6. Step 6: Final answer
    x = 265,227.01

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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.