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Finding the Fourth Proportional to 561,549.49, 842,276.91 and 241,688.44

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Solution

The fourth proportional to 561,549.49, 842,276.91 and 241,688.44 is: 362,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,549.49 : 842,276.91 = 241,688.44 : x
  2. Step 2: Convert to fraction form
    561,549.49/842,276.91 = 241,688.44/x
  3. Step 3: Cross multiply
    561,549.49x = 842,276.91 × 241,688.44
  4. Step 4: Simplify right side
    561,549.49x = 203,568,592,425.92
  5. Step 5: Solve for x
    x = 203,568,592,425.92/561,549.49
  6. Step 6: Final answer
    x = 362,512.29

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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.