Home / 230,822.37-318,678.89-149,193.36

Finding the Fourth Proportional to 230,822.37, 318,678.89 and 149,193.36

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Solution

The fourth proportional to 230,822.37, 318,678.89 and 149,193.36 is: 205,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,822.37 : 318,678.89 = 149,193.36 : x
  2. Step 2: Convert to fraction form
    230,822.37/318,678.89 = 149,193.36/x
  3. Step 3: Cross multiply
    230,822.37x = 318,678.89 × 149,193.36
  4. Step 4: Simplify right side
    230,822.37x = 47,544,775,529.85
  5. Step 5: Solve for x
    x = 47,544,775,529.85/230,822.37
  6. Step 6: Final answer
    x = 205,979.93

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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.