Finding the Fourth Proportional to 115,430.60, 173,129.70 and 36,552.80
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Solution
The fourth proportional to 115,430.60, 173,129.70 and 36,552.80 is: 54,824.07
Step by Step Solution
- Step 1: Write the proportion equation
115,430.60 : 173,129.70 = 36,552.80 : x - Step 2: Convert to fraction form
115,430.60/173,129.70 = 36,552.80/x - Step 3: Cross multiply
115,430.60x = 173,129.70 × 36,552.80 - Step 4: Simplify right side
115,430.60x = 6,328,375,298.16 - Step 5: Solve for x
x = 6,328,375,298.16/115,430.60 - Step 6: Final answer
x = 54,824.07
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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.