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Finding the Fourth Proportional to 345,019, 517,528.50 and 95,701

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Solution

The fourth proportional to 345,019, 517,528.50 and 95,701 is: 143,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,019 : 517,528.50 = 95,701 : x
  2. Step 2: Convert to fraction form
    345,019/517,528.50 = 95,701/x
  3. Step 3: Cross multiply
    345,019x = 517,528.50 × 95,701
  4. Step 4: Simplify right side
    345,019x = 49,527,994,978.50
  5. Step 5: Solve for x
    x = 49,527,994,978.50/345,019
  6. Step 6: Final answer
    x = 143,551.50

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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.