Home / 240,214.37-331,281.05-199,313.69

Finding the Fourth Proportional to 240,214.37, 331,281.05 and 199,313.69

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Solution

The fourth proportional to 240,214.37, 331,281.05 and 199,313.69 is: 274,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,214.37 : 331,281.05 = 199,313.69 : x
  2. Step 2: Convert to fraction form
    240,214.37/331,281.05 = 199,313.69/x
  3. Step 3: Cross multiply
    240,214.37x = 331,281.05 × 199,313.69
  4. Step 4: Simplify right side
    240,214.37x = 66,028,845,849.60
  5. Step 5: Solve for x
    x = 66,028,845,849.60/240,214.37
  6. Step 6: Final answer
    x = 274,874.68

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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.