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Finding the Fourth Proportional to 219,427.62, 302,810.12 and 118,825.62

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Solution

The fourth proportional to 219,427.62, 302,810.12 and 118,825.62 is: 163,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,427.62 : 302,810.12 = 118,825.62 : x
  2. Step 2: Convert to fraction form
    219,427.62/302,810.12 = 118,825.62/x
  3. Step 3: Cross multiply
    219,427.62x = 302,810.12 × 118,825.62
  4. Step 4: Simplify right side
    219,427.62x = 35,981,600,251.27
  5. Step 5: Solve for x
    x = 35,981,600,251.27/219,427.62
  6. Step 6: Final answer
    x = 163,979.36

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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.