Home / 240,973.89-332,579.84-138,980.31

Finding the Fourth Proportional to 240,973.89, 332,579.84 and 138,980.31

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Solution

The fourth proportional to 240,973.89, 332,579.84 and 138,980.31 is: 191,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,973.89 : 332,579.84 = 138,980.31 : x
  2. Step 2: Convert to fraction form
    240,973.89/332,579.84 = 138,980.31/x
  3. Step 3: Cross multiply
    240,973.89x = 332,579.84 × 138,980.31
  4. Step 4: Simplify right side
    240,973.89x = 46,222,048,568.05
  5. Step 5: Solve for x
    x = 46,222,048,568.05/240,973.89
  6. Step 6: Final answer
    x = 191,813.51

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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.