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Finding the Fourth Proportional to 223,389.12, 334,602.72 and 104,882.88

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Solution

The fourth proportional to 223,389.12, 334,602.72 and 104,882.88 is: 157,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,389.12 : 334,602.72 = 104,882.88 : x
  2. Step 2: Convert to fraction form
    223,389.12/334,602.72 = 104,882.88/x
  3. Step 3: Cross multiply
    223,389.12x = 334,602.72 × 104,882.88
  4. Step 4: Simplify right side
    223,389.12x = 35,094,096,929.43
  5. Step 5: Solve for x
    x = 35,094,096,929.43/223,389.12
  6. Step 6: Final answer
    x = 157,098.51

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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.