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Finding the Fourth Proportional to 219,007.40, 329,202.30 and 202,418.60

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Solution

The fourth proportional to 219,007.40, 329,202.30 and 202,418.60 is: 304,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,007.40 : 329,202.30 = 202,418.60 : x
  2. Step 2: Convert to fraction form
    219,007.40/329,202.30 = 202,418.60/x
  3. Step 3: Cross multiply
    219,007.40x = 329,202.30 × 202,418.60
  4. Step 4: Simplify right side
    219,007.40x = 66,636,668,682.78
  5. Step 5: Solve for x
    x = 66,636,668,682.78/219,007.40
  6. Step 6: Final answer
    x = 304,266.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.