Home / 240,291.63-331,594.16-131,398.61

Finding the Fourth Proportional to 240,291.63, 331,594.16 and 131,398.61

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Solution

The fourth proportional to 240,291.63, 331,594.16 and 131,398.61 is: 181,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,291.63 : 331,594.16 = 131,398.61 : x
  2. Step 2: Convert to fraction form
    240,291.63/331,594.16 = 131,398.61/x
  3. Step 3: Cross multiply
    240,291.63x = 331,594.16 × 131,398.61
  4. Step 4: Simplify right side
    240,291.63x = 43,571,009,393.15
  5. Step 5: Solve for x
    x = 43,571,009,393.15/240,291.63
  6. Step 6: Final answer
    x = 181,325.54

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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.