Home / 207,579.31-310,231.62-151,537.43

Finding the Fourth Proportional to 207,579.31, 310,231.62 and 151,537.43

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Solution

The fourth proportional to 207,579.31, 310,231.62 and 151,537.43 is: 226,475.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,579.31 : 310,231.62 = 151,537.43 : x
  2. Step 2: Convert to fraction form
    207,579.31/310,231.62 = 151,537.43/x
  3. Step 3: Cross multiply
    207,579.31x = 310,231.62 × 151,537.43
  4. Step 4: Simplify right side
    207,579.31x = 47,011,703,175.12
  5. Step 5: Solve for x
    x = 47,011,703,175.12/207,579.31
  6. Step 6: Final answer
    x = 226,475.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.