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Finding the Fourth Proportional to 226,314.75, 312,314.52 and 124,346.76

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Solution

The fourth proportional to 226,314.75, 312,314.52 and 124,346.76 is: 171,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,314.75 : 312,314.52 = 124,346.76 : x
  2. Step 2: Convert to fraction form
    226,314.75/312,314.52 = 124,346.76/x
  3. Step 3: Cross multiply
    226,314.75x = 312,314.52 × 124,346.76
  4. Step 4: Simplify right side
    226,314.75x = 38,835,298,662.96
  5. Step 5: Solve for x
    x = 38,835,298,662.96/226,314.75
  6. Step 6: Final answer
    x = 171,598.62

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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.