Finding the Fourth Proportional to 145,530.78, 218,296.17 and 40,349.75
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Solution
The fourth proportional to 145,530.78, 218,296.17 and 40,349.75 is: 60,524.62
Step by Step Solution
- Step 1: Write the proportion equation
145,530.78 : 218,296.17 = 40,349.75 : x - Step 2: Convert to fraction form
145,530.78/218,296.17 = 40,349.75/x - Step 3: Cross multiply
145,530.78x = 218,296.17 × 40,349.75 - Step 4: Simplify right side
145,530.78x = 8,808,194,793.98 - Step 5: Solve for x
x = 8,808,194,793.98/145,530.78 - Step 6: Final answer
x = 60,524.62
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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.