Home / 219,909.67-303,318.85-201,818.82

Finding the Fourth Proportional to 219,909.67, 303,318.85 and 201,818.82

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Solution

The fourth proportional to 219,909.67, 303,318.85 and 201,818.82 is: 278,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,909.67 : 303,318.85 = 201,818.82 : x
  2. Step 2: Convert to fraction form
    219,909.67/303,318.85 = 201,818.82/x
  3. Step 3: Cross multiply
    219,909.67x = 303,318.85 × 201,818.82
  4. Step 4: Simplify right side
    219,909.67x = 61,215,451,381.66
  5. Step 5: Solve for x
    x = 61,215,451,381.66/219,909.67
  6. Step 6: Final answer
    x = 278,366.35

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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.