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Finding the Fourth Proportional to 166,484.28, 249,684.89 and 65,302.89

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Solution

The fourth proportional to 166,484.28, 249,684.89 and 65,302.89 is: 97,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,484.28 : 249,684.89 = 65,302.89 : x
  2. Step 2: Convert to fraction form
    166,484.28/249,684.89 = 65,302.89/x
  3. Step 3: Cross multiply
    166,484.28x = 249,684.89 × 65,302.89
  4. Step 4: Simplify right side
    166,484.28x = 16,305,144,906.33
  5. Step 5: Solve for x
    x = 16,305,144,906.33/166,484.28
  6. Step 6: Final answer
    x = 97,938.04

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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.