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Finding the Fourth Proportional to 210,592.62, 315,842.36 and 60,800.34

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Solution

The fourth proportional to 210,592.62, 315,842.36 and 60,800.34 is: 91,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,592.62 : 315,842.36 = 60,800.34 : x
  2. Step 2: Convert to fraction form
    210,592.62/315,842.36 = 60,800.34/x
  3. Step 3: Cross multiply
    210,592.62x = 315,842.36 × 60,800.34
  4. Step 4: Simplify right side
    210,592.62x = 19,203,322,570.40
  5. Step 5: Solve for x
    x = 19,203,322,570.40/210,592.62
  6. Step 6: Final answer
    x = 91,187.06

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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.