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Finding the Fourth Proportional to 247,989, 372,088.86 and 135,537.86

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Solution

The fourth proportional to 247,989, 372,088.86 and 135,537.86 is: 203,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,989 : 372,088.86 = 135,537.86 : x
  2. Step 2: Convert to fraction form
    247,989/372,088.86 = 135,537.86/x
  3. Step 3: Cross multiply
    247,989x = 372,088.86 × 135,537.86
  4. Step 4: Simplify right side
    247,989x = 50,432,127,814.24
  5. Step 5: Solve for x
    x = 50,432,127,814.24/247,989
  6. Step 6: Final answer
    x = 203,364.37

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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.