Finding the Fourth Proportional to 165,385.64, 247,881.60 and 115,193.96
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Solution
The fourth proportional to 165,385.64, 247,881.60 and 115,193.96 is: 172,653.82
Step by Step Solution
- Step 1: Write the proportion equation
165,385.64 : 247,881.60 = 115,193.96 : x - Step 2: Convert to fraction form
165,385.64/247,881.60 = 115,193.96/x - Step 3: Cross multiply
165,385.64x = 247,881.60 × 115,193.96 - Step 4: Simplify right side
165,385.64x = 28,554,463,115.14 - Step 5: Solve for x
x = 28,554,463,115.14/165,385.64 - Step 6: Final answer
x = 172,653.82
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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.