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Finding the Fourth Proportional to 412,500.66, 569,245.62 and 231,212.28

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Solution

The fourth proportional to 412,500.66, 569,245.62 and 231,212.28 is: 319,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,500.66 : 569,245.62 = 231,212.28 : x
  2. Step 2: Convert to fraction form
    412,500.66/569,245.62 = 231,212.28/x
  3. Step 3: Cross multiply
    412,500.66x = 569,245.62 × 231,212.28
  4. Step 4: Simplify right side
    412,500.66x = 131,616,577,680.21
  5. Step 5: Solve for x
    x = 131,616,577,680.21/412,500.66
  6. Step 6: Final answer
    x = 319,069.98

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1.5x scale

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.