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Finding the Fourth Proportional to 612,997.50, 919,576.62 and 202,530.48

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Solution

The fourth proportional to 612,997.50, 919,576.62 and 202,530.48 is: 303,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,997.50 : 919,576.62 = 202,530.48 : x
  2. Step 2: Convert to fraction form
    612,997.50/919,576.62 = 202,530.48/x
  3. Step 3: Cross multiply
    612,997.50x = 919,576.62 × 202,530.48
  4. Step 4: Simplify right side
    612,997.50x = 186,242,291,366.58
  5. Step 5: Solve for x
    x = 186,242,291,366.58/612,997.50
  6. Step 6: Final answer
    x = 303,822.27

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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.