Finding the Fourth Proportional to 110,368.20, 165,552.30 and 40,249.80
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Solution
The fourth proportional to 110,368.20, 165,552.30 and 40,249.80 is: 60,374.70
Step by Step Solution
- Step 1: Write the proportion equation
110,368.20 : 165,552.30 = 40,249.80 : x - Step 2: Convert to fraction form
110,368.20/165,552.30 = 40,249.80/x - Step 3: Cross multiply
110,368.20x = 165,552.30 × 40,249.80 - Step 4: Simplify right side
110,368.20x = 6,663,446,964.54 - Step 5: Solve for x
x = 6,663,446,964.54/110,368.20 - Step 6: Final answer
x = 60,374.70
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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.