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Finding the Fourth Proportional to 219,219.36, 328,829.04 and 53,007.36

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Solution

The fourth proportional to 219,219.36, 328,829.04 and 53,007.36 is: 79,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,219.36 : 328,829.04 = 53,007.36 : x
  2. Step 2: Convert to fraction form
    219,219.36/328,829.04 = 53,007.36/x
  3. Step 3: Cross multiply
    219,219.36x = 328,829.04 × 53,007.36
  4. Step 4: Simplify right side
    219,219.36x = 17,430,359,301.73
  5. Step 5: Solve for x
    x = 17,430,359,301.73/219,219.36
  6. Step 6: Final answer
    x = 79,511.04

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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.