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Finding the Fourth Proportional to 183,478.60, 275,223.66 and 65,148.04

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Solution

The fourth proportional to 183,478.60, 275,223.66 and 65,148.04 is: 97,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,478.60 : 275,223.66 = 65,148.04 : x
  2. Step 2: Convert to fraction form
    183,478.60/275,223.66 = 65,148.04/x
  3. Step 3: Cross multiply
    183,478.60x = 275,223.66 × 65,148.04
  4. Step 4: Simplify right side
    183,478.60x = 17,930,282,010.63
  5. Step 5: Solve for x
    x = 17,930,282,010.63/183,478.60
  6. Step 6: Final answer
    x = 97,724.11

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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.