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Finding the Fourth Proportional to 613,750, 920,636.52 and 170,529.52

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Solution

The fourth proportional to 613,750, 920,636.52 and 170,529.52 is: 255,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,750 : 920,636.52 = 170,529.52 : x
  2. Step 2: Convert to fraction form
    613,750/920,636.52 = 170,529.52/x
  3. Step 3: Cross multiply
    613,750x = 920,636.52 × 170,529.52
  4. Step 4: Simplify right side
    613,750x = 156,995,703,850.07
  5. Step 5: Solve for x
    x = 156,995,703,850.07/613,750
  6. Step 6: Final answer
    x = 255,797.48

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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.