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Finding the Fourth Proportional to 338,589.64, 507,983.82 and 151,559.56

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Solution

The fourth proportional to 338,589.64, 507,983.82 and 151,559.56 is: 227,383.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,589.64 : 507,983.82 = 151,559.56 : x
  2. Step 2: Convert to fraction form
    338,589.64/507,983.82 = 151,559.56/x
  3. Step 3: Cross multiply
    338,589.64x = 507,983.82 × 151,559.56
  4. Step 4: Simplify right side
    338,589.64x = 76,989,804,246.32
  5. Step 5: Solve for x
    x = 76,989,804,246.32/338,589.64
  6. Step 6: Final answer
    x = 227,383.82

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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.