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Finding the Fourth Proportional to 339,507.16, 468,344.18 and 230,617.10

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Solution

The fourth proportional to 339,507.16, 468,344.18 and 230,617.10 is: 318,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,507.16 : 468,344.18 = 230,617.10 : x
  2. Step 2: Convert to fraction form
    339,507.16/468,344.18 = 230,617.10/x
  3. Step 3: Cross multiply
    339,507.16x = 468,344.18 × 230,617.10
  4. Step 4: Simplify right side
    339,507.16x = 108,008,176,593.48
  5. Step 5: Solve for x
    x = 108,008,176,593.48/339,507.16
  6. Step 6: Final answer
    x = 318,132.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.