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Finding the Fourth Proportional to 219,164.38, 302,446.84 and 118,562.38

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Solution

The fourth proportional to 219,164.38, 302,446.84 and 118,562.38 is: 163,616.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,164.38 : 302,446.84 = 118,562.38 : x
  2. Step 2: Convert to fraction form
    219,164.38/302,446.84 = 118,562.38/x
  3. Step 3: Cross multiply
    219,164.38x = 302,446.84 × 118,562.38
  4. Step 4: Simplify right side
    219,164.38x = 35,858,817,173.88
  5. Step 5: Solve for x
    x = 35,858,817,173.88/219,164.38
  6. Step 6: Final answer
    x = 163,616.08

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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.