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Finding the Fourth Proportional to 226,483.13, 312,566.15 and 125,900.57

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Solution

The fourth proportional to 226,483.13, 312,566.15 and 125,900.57 is: 173,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,483.13 : 312,566.15 = 125,900.57 : x
  2. Step 2: Convert to fraction form
    226,483.13/312,566.15 = 125,900.57/x
  3. Step 3: Cross multiply
    226,483.13x = 312,566.15 × 125,900.57
  4. Step 4: Simplify right side
    226,483.13x = 39,352,255,199.63
  5. Step 5: Solve for x
    x = 39,352,255,199.63/226,483.13
  6. Step 6: Final answer
    x = 173,753.59

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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.