Home / 240,629.40-332,076.41-138,646.96

Finding the Fourth Proportional to 240,629.40, 332,076.41 and 138,646.96

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Solution

The fourth proportional to 240,629.40, 332,076.41 and 138,646.96 is: 191,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,629.40 : 332,076.41 = 138,646.96 : x
  2. Step 2: Convert to fraction form
    240,629.40/332,076.41 = 138,646.96/x
  3. Step 3: Cross multiply
    240,629.40x = 332,076.41 × 138,646.96
  4. Step 4: Simplify right side
    240,629.40x = 46,041,383,730.71
  5. Step 5: Solve for x
    x = 46,041,383,730.71/240,629.40
  6. Step 6: Final answer
    x = 191,337.32

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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.