Finding the Fourth Proportional to 115,548.60, 173,207.70 and 53,110.20
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Solution
The fourth proportional to 115,548.60, 173,207.70 and 53,110.20 is: 79,612.35
Step by Step Solution
- Step 1: Write the proportion equation
115,548.60 : 173,207.70 = 53,110.20 : x - Step 2: Convert to fraction form
115,548.60/173,207.70 = 53,110.20/x - Step 3: Cross multiply
115,548.60x = 173,207.70 × 53,110.20 - Step 4: Simplify right side
115,548.60x = 9,199,095,588.54 - Step 5: Solve for x
x = 9,199,095,588.54/115,548.60 - Step 6: Final answer
x = 79,612.35
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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.