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Finding the Fourth Proportional to 234,410.88, 323,407.44 and 132,421.44

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Solution

The fourth proportional to 234,410.88, 323,407.44 and 132,421.44 is: 182,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,410.88 : 323,407.44 = 132,421.44 : x
  2. Step 2: Convert to fraction form
    234,410.88/323,407.44 = 132,421.44/x
  3. Step 3: Cross multiply
    234,410.88x = 323,407.44 × 132,421.44
  4. Step 4: Simplify right side
    234,410.88x = 42,826,078,911.51
  5. Step 5: Solve for x
    x = 42,826,078,911.51/234,410.88
  6. Step 6: Final answer
    x = 182,696.63

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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.