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Finding the Fourth Proportional to 223,498.65, 335,176.70 and 73,711.02

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Solution

The fourth proportional to 223,498.65, 335,176.70 and 73,711.02 is: 110,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,498.65 : 335,176.70 = 73,711.02 : x
  2. Step 2: Convert to fraction form
    223,498.65/335,176.70 = 73,711.02/x
  3. Step 3: Cross multiply
    223,498.65x = 335,176.70 × 73,711.02
  4. Step 4: Simplify right side
    223,498.65x = 24,706,216,068.68
  5. Step 5: Solve for x
    x = 24,706,216,068.68/223,498.65
  6. Step 6: Final answer
    x = 110,543.02

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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.