Finding the Fourth Proportional to 165,843.60, 248,619.60 and 99,310.20
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Solution
The fourth proportional to 165,843.60, 248,619.60 and 99,310.20 is: 148,877.99
Step by Step Solution
- Step 1: Write the proportion equation
165,843.60 : 248,619.60 = 99,310.20 : x - Step 2: Convert to fraction form
165,843.60/248,619.60 = 99,310.20/x - Step 3: Cross multiply
165,843.60x = 248,619.60 × 99,310.20 - Step 4: Simplify right side
165,843.60x = 24,690,462,199.92 - Step 5: Solve for x
x = 24,690,462,199.92/165,843.60 - Step 6: Final answer
x = 148,877.99
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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.