Home / 353,261.33-487,490.22-200,313.49

Finding the Fourth Proportional to 353,261.33, 487,490.22 and 200,313.49

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Solution

The fourth proportional to 353,261.33, 487,490.22 and 200,313.49 is: 276,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,261.33 : 487,490.22 = 200,313.49 : x
  2. Step 2: Convert to fraction form
    353,261.33/487,490.22 = 200,313.49/x
  3. Step 3: Cross multiply
    353,261.33x = 487,490.22 × 200,313.49
  4. Step 4: Simplify right side
    353,261.33x = 97,650,867,567.77
  5. Step 5: Solve for x
    x = 97,650,867,567.77/353,261.33
  6. Step 6: Final answer
    x = 276,426.71

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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.