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Finding the Fourth Proportional to 210,597.93, 315,850.46 and 60,805.67

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Solution

The fourth proportional to 210,597.93, 315,850.46 and 60,805.67 is: 91,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,597.93 : 315,850.46 = 60,805.67 : x
  2. Step 2: Convert to fraction form
    210,597.93/315,850.46 = 60,805.67/x
  3. Step 3: Cross multiply
    210,597.93x = 315,850.46 × 60,805.67
  4. Step 4: Simplify right side
    210,597.93x = 19,205,496,956.83
  5. Step 5: Solve for x
    x = 19,205,496,956.83/210,597.93
  6. Step 6: Final answer
    x = 91,195.09

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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.