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Finding the Fourth Proportional to 223,983, 335,990.88 and 89,099.76

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Solution

The fourth proportional to 223,983, 335,990.88 and 89,099.76 is: 133,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,983 : 335,990.88 = 89,099.76 : x
  2. Step 2: Convert to fraction form
    223,983/335,990.88 = 89,099.76/x
  3. Step 3: Cross multiply
    223,983x = 335,990.88 × 89,099.76
  4. Step 4: Simplify right side
    223,983x = 29,936,706,770.19
  5. Step 5: Solve for x
    x = 29,936,706,770.19/223,983
  6. Step 6: Final answer
    x = 133,656.16

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1.5x scale

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.