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Finding the Fourth Proportional to 219,806.30, 303,334.62 and 119,204.30

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Solution

The fourth proportional to 219,806.30, 303,334.62 and 119,204.30 is: 164,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,806.30 : 303,334.62 = 119,204.30 : x
  2. Step 2: Convert to fraction form
    219,806.30/303,334.62 = 119,204.30/x
  3. Step 3: Cross multiply
    219,806.30x = 303,334.62 × 119,204.30
  4. Step 4: Simplify right side
    219,806.30x = 36,158,791,042.87
  5. Step 5: Solve for x
    x = 36,158,791,042.87/219,806.30
  6. Step 6: Final answer
    x = 164,502.98

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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.