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Finding the Fourth Proportional to 252,933.18, 379,390.64 and 63,394.98

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Solution

The fourth proportional to 252,933.18, 379,390.64 and 63,394.98 is: 95,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,933.18 : 379,390.64 = 63,394.98 : x
  2. Step 2: Convert to fraction form
    252,933.18/379,390.64 = 63,394.98/x
  3. Step 3: Cross multiply
    252,933.18x = 379,390.64 × 63,394.98
  4. Step 4: Simplify right side
    252,933.18x = 24,051,461,718.01
  5. Step 5: Solve for x
    x = 24,051,461,718.01/252,933.18
  6. Step 6: Final answer
    x = 95,090.18

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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.