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Finding the Fourth Proportional to 223,345.70, 334,929.45 and 73,544.30

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Solution

The fourth proportional to 223,345.70, 334,929.45 and 73,544.30 is: 110,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,345.70 : 334,929.45 = 73,544.30 : x
  2. Step 2: Convert to fraction form
    223,345.70/334,929.45 = 73,544.30/x
  3. Step 3: Cross multiply
    223,345.70x = 334,929.45 × 73,544.30
  4. Step 4: Simplify right side
    223,345.70x = 24,632,151,949.64
  5. Step 5: Solve for x
    x = 24,632,151,949.64/223,345.70
  6. Step 6: Final answer
    x = 110,287.11

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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.