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Finding the Fourth Proportional to 264,030, 395,695.08 and 219,940.08

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Solution

The fourth proportional to 264,030, 395,695.08 and 219,940.08 is: 329,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,030 : 395,695.08 = 219,940.08 : x
  2. Step 2: Convert to fraction form
    264,030/395,695.08 = 219,940.08/x
  3. Step 3: Cross multiply
    264,030x = 395,695.08 × 219,940.08
  4. Step 4: Simplify right side
    264,030x = 87,029,207,550.81
  5. Step 5: Solve for x
    x = 87,029,207,550.81/264,030
  6. Step 6: Final answer
    x = 329,618.63

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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.