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Finding the Fourth Proportional to 169,003.05, 253,488.10 and 44,344.05

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Solution

The fourth proportional to 169,003.05, 253,488.10 and 44,344.05 is: 66,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,003.05 : 253,488.10 = 44,344.05 : x
  2. Step 2: Convert to fraction form
    169,003.05/253,488.10 = 44,344.05/x
  3. Step 3: Cross multiply
    169,003.05x = 253,488.10 × 44,344.05
  4. Step 4: Simplify right side
    169,003.05x = 11,240,688,980.81
  5. Step 5: Solve for x
    x = 11,240,688,980.81/169,003.05
  6. Step 6: Final answer
    x = 66,511.75

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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.