Home / 217,836.72-326,798.82-99,476.28

Finding the Fourth Proportional to 217,836.72, 326,798.82 and 99,476.28

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Solution

The fourth proportional to 217,836.72, 326,798.82 and 99,476.28 is: 149,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,836.72 : 326,798.82 = 99,476.28 : x
  2. Step 2: Convert to fraction form
    217,836.72/326,798.82 = 99,476.28/x
  3. Step 3: Cross multiply
    217,836.72x = 326,798.82 × 99,476.28
  4. Step 4: Simplify right side
    217,836.72x = 32,508,730,921.99
  5. Step 5: Solve for x
    x = 32,508,730,921.99/217,836.72
  6. Step 6: Final answer
    x = 149,234.39

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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.