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Finding the Fourth Proportional to 235,443.82, 353,127.97 and 64,625.66

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Solution

The fourth proportional to 235,443.82, 353,127.97 and 64,625.66 is: 96,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,443.82 : 353,127.97 = 64,625.66 : x
  2. Step 2: Convert to fraction form
    235,443.82/353,127.97 = 64,625.66/x
  3. Step 3: Cross multiply
    235,443.82x = 353,127.97 × 64,625.66
  4. Step 4: Simplify right side
    235,443.82x = 22,821,128,125.71
  5. Step 5: Solve for x
    x = 22,821,128,125.71/235,443.82
  6. Step 6: Final answer
    x = 96,928.13

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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.