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Finding the Fourth Proportional to 231,653.70, 347,221.35 and 98,511.30

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Solution

The fourth proportional to 231,653.70, 347,221.35 and 98,511.30 is: 147,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,653.70 : 347,221.35 = 98,511.30 : x
  2. Step 2: Convert to fraction form
    231,653.70/347,221.35 = 98,511.30/x
  3. Step 3: Cross multiply
    231,653.70x = 347,221.35 × 98,511.30
  4. Step 4: Simplify right side
    231,653.70x = 34,205,226,576.26
  5. Step 5: Solve for x
    x = 34,205,226,576.26/231,653.70
  6. Step 6: Final answer
    x = 147,656.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.