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Finding the Fourth Proportional to 219,604.32, 303,045.84 and 119,000.16

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Solution

The fourth proportional to 219,604.32, 303,045.84 and 119,000.16 is: 164,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,604.32 : 303,045.84 = 119,000.16 : x
  2. Step 2: Convert to fraction form
    219,604.32/303,045.84 = 119,000.16/x
  3. Step 3: Cross multiply
    219,604.32x = 303,045.84 × 119,000.16
  4. Step 4: Simplify right side
    219,604.32x = 36,062,503,447.33
  5. Step 5: Solve for x
    x = 36,062,503,447.33/219,604.32
  6. Step 6: Final answer
    x = 164,215.82

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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.