Finding the Fourth Proportional to 110,230.14, 165,418.74 and 70,815.54
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Solution
The fourth proportional to 110,230.14, 165,418.74 and 70,815.54 is: 106,270.55
Step by Step Solution
- Step 1: Write the proportion equation
110,230.14 : 165,418.74 = 70,815.54 : x - Step 2: Convert to fraction form
110,230.14/165,418.74 = 70,815.54/x - Step 3: Cross multiply
110,230.14x = 165,418.74 × 70,815.54 - Step 4: Simplify right side
110,230.14x = 11,714,217,399.22 - Step 5: Solve for x
x = 11,714,217,399.22/110,230.14 - Step 6: Final answer
x = 106,270.55
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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.