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Finding the Fourth Proportional to 217,330.28, 300,014.04 and 136,876.04

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Solution

The fourth proportional to 217,330.28, 300,014.04 and 136,876.04 is: 188,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,330.28 : 300,014.04 = 136,876.04 : x
  2. Step 2: Convert to fraction form
    217,330.28/300,014.04 = 136,876.04/x
  3. Step 3: Cross multiply
    217,330.28x = 300,014.04 × 136,876.04
  4. Step 4: Simplify right side
    217,330.28x = 41,064,733,739.60
  5. Step 5: Solve for x
    x = 41,064,733,739.60/217,330.28
  6. Step 6: Final answer
    x = 188,950.82

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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.