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Finding the Fourth Proportional to 219,863.28, 303,410.80 and 119,261.28

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Solution

The fourth proportional to 219,863.28, 303,410.80 and 119,261.28 is: 164,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,863.28 : 303,410.80 = 119,261.28 : x
  2. Step 2: Convert to fraction form
    219,863.28/303,410.80 = 119,261.28/x
  3. Step 3: Cross multiply
    219,863.28x = 303,410.80 × 119,261.28
  4. Step 4: Simplify right side
    219,863.28x = 36,185,160,373.82
  5. Step 5: Solve for x
    x = 36,185,160,373.82/219,863.28
  6. Step 6: Final answer
    x = 164,580.28

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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.