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Finding the Fourth Proportional to 365,010.51, 547,420.73 and 154,540.11

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Solution

The fourth proportional to 365,010.51, 547,420.73 and 154,540.11 is: 231,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,010.51 : 547,420.73 = 154,540.11 : x
  2. Step 2: Convert to fraction form
    365,010.51/547,420.73 = 154,540.11/x
  3. Step 3: Cross multiply
    365,010.51x = 547,420.73 × 154,540.11
  4. Step 4: Simplify right side
    365,010.51x = 84,598,459,057.78
  5. Step 5: Solve for x
    x = 84,598,459,057.78/365,010.51
  6. Step 6: Final answer
    x = 231,769.93

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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.