Home / 331,822.80-497,345.40-248,619.60

Finding the Fourth Proportional to 331,822.80, 497,345.40 and 248,619.60

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Solution

The fourth proportional to 331,822.80, 497,345.40 and 248,619.60 is: 372,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,822.80 : 497,345.40 = 248,619.60 : x
  2. Step 2: Convert to fraction form
    331,822.80/497,345.40 = 248,619.60/x
  3. Step 3: Cross multiply
    331,822.80x = 497,345.40 × 248,619.60
  4. Step 4: Simplify right side
    331,822.80x = 123,649,814,409.84
  5. Step 5: Solve for x
    x = 123,649,814,409.84/331,822.80
  6. Step 6: Final answer
    x = 372,638.09

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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.