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Finding the Fourth Proportional to 217,798.72, 300,594.80 and 132,965.12

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Solution

The fourth proportional to 217,798.72, 300,594.80 and 132,965.12 is: 183,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,798.72 : 300,594.80 = 132,965.12 : x
  2. Step 2: Convert to fraction form
    217,798.72/300,594.80 = 132,965.12/x
  3. Step 3: Cross multiply
    217,798.72x = 300,594.80 × 132,965.12
  4. Step 4: Simplify right side
    217,798.72x = 39,968,623,653.38
  5. Step 5: Solve for x
    x = 39,968,623,653.38/217,798.72
  6. Step 6: Final answer
    x = 183,511.75

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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.