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Finding the Fourth Proportional to 219,281.70, 328,266.45 and 195,662.10

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Solution

The fourth proportional to 219,281.70, 328,266.45 and 195,662.10 is: 292,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,281.70 : 328,266.45 = 195,662.10 : x
  2. Step 2: Convert to fraction form
    219,281.70/328,266.45 = 195,662.10/x
  3. Step 3: Cross multiply
    219,281.70x = 328,266.45 × 195,662.10
  4. Step 4: Simplify right side
    219,281.70x = 64,229,302,966.55
  5. Step 5: Solve for x
    x = 64,229,302,966.55/219,281.70
  6. Step 6: Final answer
    x = 292,907.72

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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.