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Finding the Fourth Proportional to 345,006, 517,509 and 95,688

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Solution

The fourth proportional to 345,006, 517,509 and 95,688 is: 143,532

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,006 : 517,509 = 95,688 : x
  2. Step 2: Convert to fraction form
    345,006/517,509 = 95,688/x
  3. Step 3: Cross multiply
    345,006x = 517,509 × 95,688
  4. Step 4: Simplify right side
    345,006x = 49,519,401,192
  5. Step 5: Solve for x
    x = 49,519,401,192/345,006
  6. Step 6: Final answer
    x = 143,532

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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.