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Finding the Fourth Proportional to 320,956.01, 481,364.30 and 96,256.11

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Solution

The fourth proportional to 320,956.01, 481,364.30 and 96,256.11 is: 144,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,956.01 : 481,364.30 = 96,256.11 : x
  2. Step 2: Convert to fraction form
    320,956.01/481,364.30 = 96,256.11/x
  3. Step 3: Cross multiply
    320,956.01x = 481,364.30 × 96,256.11
  4. Step 4: Simplify right side
    320,956.01x = 46,334,255,010.87
  5. Step 5: Solve for x
    x = 46,334,255,010.87/320,956.01
  6. Step 6: Final answer
    x = 144,363.26

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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.