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Finding the Fourth Proportional to 208,996.30, 313,432.91 and 59,249.68

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Solution

The fourth proportional to 208,996.30, 313,432.91 and 59,249.68 is: 88,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,996.30 : 313,432.91 = 59,249.68 : x
  2. Step 2: Convert to fraction form
    208,996.30/313,432.91 = 59,249.68/x
  3. Step 3: Cross multiply
    208,996.30x = 313,432.91 × 59,249.68
  4. Step 4: Simplify right side
    208,996.30x = 18,570,798,761.32
  5. Step 5: Solve for x
    x = 18,570,798,761.32/208,996.30
  6. Step 6: Final answer
    x = 88,857.07

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1.5x scale

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.