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Finding the Fourth Proportional to 342,874.33, 473,163.47 and 191,973.85

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Solution

The fourth proportional to 342,874.33, 473,163.47 and 191,973.85 is: 264,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,874.33 : 473,163.47 = 191,973.85 : x
  2. Step 2: Convert to fraction form
    342,874.33/473,163.47 = 191,973.85/x
  3. Step 3: Cross multiply
    342,874.33x = 473,163.47 × 191,973.85
  4. Step 4: Simplify right side
    342,874.33x = 90,835,012,055.39
  5. Step 5: Solve for x
    x = 90,835,012,055.39/342,874.33
  6. Step 6: Final answer
    x = 264,922.17

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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.