Home / 351,930.56-527,901-243,753.26

Finding the Fourth Proportional to 351,930.56, 527,901 and 243,753.26

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Solution

The fourth proportional to 351,930.56, 527,901 and 243,753.26 is: 365,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,930.56 : 527,901 = 243,753.26 : x
  2. Step 2: Convert to fraction form
    351,930.56/527,901 = 243,753.26/x
  3. Step 3: Cross multiply
    351,930.56x = 527,901 × 243,753.26
  4. Step 4: Simplify right side
    351,930.56x = 128,677,589,707.26
  5. Step 5: Solve for x
    x = 128,677,589,707.26/351,930.56
  6. Step 6: Final answer
    x = 365,633.46

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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.