Finding the Fourth Proportional to 118,224.20, 177,336.30 and 107,337.80
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Solution
The fourth proportional to 118,224.20, 177,336.30 and 107,337.80 is: 161,006.70
Step by Step Solution
- Step 1: Write the proportion equation
118,224.20 : 177,336.30 = 107,337.80 : x - Step 2: Convert to fraction form
118,224.20/177,336.30 = 107,337.80/x - Step 3: Cross multiply
118,224.20x = 177,336.30 × 107,337.80 - Step 4: Simplify right side
118,224.20x = 19,034,888,302.14 - Step 5: Solve for x
x = 19,034,888,302.14/118,224.20 - Step 6: Final answer
x = 161,006.70
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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.