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Finding the Fourth Proportional to 210,777.33, 316,102.19 and 110,882.43

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Solution

The fourth proportional to 210,777.33, 316,102.19 and 110,882.43 is: 166,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,777.33 : 316,102.19 = 110,882.43 : x
  2. Step 2: Convert to fraction form
    210,777.33/316,102.19 = 110,882.43/x
  3. Step 3: Cross multiply
    210,777.33x = 316,102.19 × 110,882.43
  4. Step 4: Simplify right side
    210,777.33x = 35,050,178,401.11
  5. Step 5: Solve for x
    x = 35,050,178,401.11/210,777.33
  6. Step 6: Final answer
    x = 166,290.08

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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.