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Finding the Fourth Proportional to 225,298.22, 310,890.44 and 134,636.14

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Solution

The fourth proportional to 225,298.22, 310,890.44 and 134,636.14 is: 185,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,298.22 : 310,890.44 = 134,636.14 : x
  2. Step 2: Convert to fraction form
    225,298.22/310,890.44 = 134,636.14/x
  3. Step 3: Cross multiply
    225,298.22x = 310,890.44 × 134,636.14
  4. Step 4: Simplify right side
    225,298.22x = 41,857,088,804.50
  5. Step 5: Solve for x
    x = 41,857,088,804.50/225,298.22
  6. Step 6: Final answer
    x = 185,785.26

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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.