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Finding the Fourth Proportional to 217,863.54, 300,685.06 and 133,030.26

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Solution

The fourth proportional to 217,863.54, 300,685.06 and 133,030.26 is: 183,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,863.54 : 300,685.06 = 133,030.26 : x
  2. Step 2: Convert to fraction form
    217,863.54/300,685.06 = 133,030.26/x
  3. Step 3: Cross multiply
    217,863.54x = 300,685.06 × 133,030.26
  4. Step 4: Simplify right side
    217,863.54x = 40,000,211,709.92
  5. Step 5: Solve for x
    x = 40,000,211,709.92/217,863.54
  6. Step 6: Final answer
    x = 183,602.14

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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.