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Finding the Fourth Proportional to 229,531.95, 344,270.52 and 61,064.64

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Solution

The fourth proportional to 229,531.95, 344,270.52 and 61,064.64 is: 91,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,531.95 : 344,270.52 = 61,064.64 : x
  2. Step 2: Convert to fraction form
    229,531.95/344,270.52 = 61,064.64/x
  3. Step 3: Cross multiply
    229,531.95x = 344,270.52 × 61,064.64
  4. Step 4: Simplify right side
    229,531.95x = 21,022,755,366.41
  5. Step 5: Solve for x
    x = 21,022,755,366.41/229,531.95
  6. Step 6: Final answer
    x = 91,589.67

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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.