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Finding the Fourth Proportional to 279,708.95, 385,897.10 and 182,968.03

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Solution

The fourth proportional to 279,708.95, 385,897.10 and 182,968.03 is: 252,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,708.95 : 385,897.10 = 182,968.03 : x
  2. Step 2: Convert to fraction form
    279,708.95/385,897.10 = 182,968.03/x
  3. Step 3: Cross multiply
    279,708.95x = 385,897.10 × 182,968.03
  4. Step 4: Simplify right side
    279,708.95x = 70,606,831,662.39
  5. Step 5: Solve for x
    x = 70,606,831,662.39/279,708.95
  6. Step 6: Final answer
    x = 252,429.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.