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Finding the Fourth Proportional to 303,524.68, 455,288.10 and 93,162.64

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Solution

The fourth proportional to 303,524.68, 455,288.10 and 93,162.64 is: 139,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,524.68 : 455,288.10 = 93,162.64 : x
  2. Step 2: Convert to fraction form
    303,524.68/455,288.10 = 93,162.64/x
  3. Step 3: Cross multiply
    303,524.68x = 455,288.10 × 93,162.64
  4. Step 4: Simplify right side
    303,524.68x = 42,415,841,356.58
  5. Step 5: Solve for x
    x = 42,415,841,356.58/303,524.68
  6. Step 6: Final answer
    x = 139,744.29

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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.