Home / 240,647.73-332,112.30-137,284.20

Finding the Fourth Proportional to 240,647.73, 332,112.30 and 137,284.20

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Solution

The fourth proportional to 240,647.73, 332,112.30 and 137,284.20 is: 189,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,647.73 : 332,112.30 = 137,284.20 : x
  2. Step 2: Convert to fraction form
    240,647.73/332,112.30 = 137,284.20/x
  3. Step 3: Cross multiply
    240,647.73x = 332,112.30 × 137,284.20
  4. Step 4: Simplify right side
    240,647.73x = 45,593,771,673.07
  5. Step 5: Solve for x
    x = 45,593,771,673.07/240,647.73
  6. Step 6: Final answer
    x = 189,462.72

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1.5x scale

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.