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Finding the Fourth Proportional to 220,234.10, 308,535.10 and 220,234.10

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Solution

The fourth proportional to 220,234.10, 308,535.10 and 220,234.10 is: 308,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,234.10 : 308,535.10 = 220,234.10 : x
  2. Step 2: Convert to fraction form
    220,234.10/308,535.10 = 220,234.10/x
  3. Step 3: Cross multiply
    220,234.10x = 308,535.10 × 220,234.10
  4. Step 4: Simplify right side
    220,234.10x = 67,949,950,066.91
  5. Step 5: Solve for x
    x = 67,949,950,066.91/220,234.10
  6. Step 6: Final answer
    x = 308,535.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.