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Finding the Fourth Proportional to 229,602.48, 344,403.24 and 63,390

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Solution

The fourth proportional to 229,602.48, 344,403.24 and 63,390 is: 95,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,602.48 : 344,403.24 = 63,390 : x
  2. Step 2: Convert to fraction form
    229,602.48/344,403.24 = 63,390/x
  3. Step 3: Cross multiply
    229,602.48x = 344,403.24 × 63,390
  4. Step 4: Simplify right side
    229,602.48x = 21,831,721,383.60
  5. Step 5: Solve for x
    x = 21,831,721,383.60/229,602.48
  6. Step 6: Final answer
    x = 95,084.87

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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.