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Finding the Fourth Proportional to 226,547, 312,635.22 and 125,945

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Solution

The fourth proportional to 226,547, 312,635.22 and 125,945 is: 173,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,547 : 312,635.22 = 125,945 : x
  2. Step 2: Convert to fraction form
    226,547/312,635.22 = 125,945/x
  3. Step 3: Cross multiply
    226,547x = 312,635.22 × 125,945
  4. Step 4: Simplify right side
    226,547x = 39,374,842,782.90
  5. Step 5: Solve for x
    x = 39,374,842,782.90/226,547
  6. Step 6: Final answer
    x = 173,804.30

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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.