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Finding the Fourth Proportional to 323,010.72, 445,750.32 and 179,770.77

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Solution

The fourth proportional to 323,010.72, 445,750.32 and 179,770.77 is: 248,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,010.72 : 445,750.32 = 179,770.77 : x
  2. Step 2: Convert to fraction form
    323,010.72/445,750.32 = 179,770.77/x
  3. Step 3: Cross multiply
    323,010.72x = 445,750.32 × 179,770.77
  4. Step 4: Simplify right side
    323,010.72x = 80,132,878,254.15
  5. Step 5: Solve for x
    x = 80,132,878,254.15/323,010.72
  6. Step 6: Final answer
    x = 248,081.17

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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.