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Finding the Fourth Proportional to 315,279.96, 472,994.97 and 102,047.87

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Solution

The fourth proportional to 315,279.96, 472,994.97 and 102,047.87 is: 153,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,279.96 : 472,994.97 = 102,047.87 : x
  2. Step 2: Convert to fraction form
    315,279.96/472,994.97 = 102,047.87/x
  3. Step 3: Cross multiply
    315,279.96x = 472,994.97 × 102,047.87
  4. Step 4: Simplify right side
    315,279.96x = 48,268,128,698.97
  5. Step 5: Solve for x
    x = 48,268,128,698.97/315,279.96
  6. Step 6: Final answer
    x = 153,096.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.