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Finding the Fourth Proportional to 345,363.84, 476,594.87 and 192,401.82

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Solution

The fourth proportional to 345,363.84, 476,594.87 and 192,401.82 is: 265,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,363.84 : 476,594.87 = 192,401.82 : x
  2. Step 2: Convert to fraction form
    345,363.84/476,594.87 = 192,401.82/x
  3. Step 3: Cross multiply
    345,363.84x = 476,594.87 × 192,401.82
  4. Step 4: Simplify right side
    345,363.84x = 91,697,719,428.65
  5. Step 5: Solve for x
    x = 91,697,719,428.65/345,363.84
  6. Step 6: Final answer
    x = 265,510.48

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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.