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Finding the Fourth Proportional to 229,801.56, 344,699.76 and 89,658.60

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Solution

The fourth proportional to 229,801.56, 344,699.76 and 89,658.60 is: 134,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,801.56 : 344,699.76 = 89,658.60 : x
  2. Step 2: Convert to fraction form
    229,801.56/344,699.76 = 89,658.60/x
  3. Step 3: Cross multiply
    229,801.56x = 344,699.76 × 89,658.60
  4. Step 4: Simplify right side
    229,801.56x = 30,905,297,901.94
  5. Step 5: Solve for x
    x = 30,905,297,901.94/229,801.56
  6. Step 6: Final answer
    x = 134,486.89

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1.5x scale

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.