Finding the Fourth Proportional to 118,244.20, 177,366.30 and 107,357.80
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Solution
The fourth proportional to 118,244.20, 177,366.30 and 107,357.80 is: 161,036.70
Step by Step Solution
- Step 1: Write the proportion equation
118,244.20 : 177,366.30 = 107,357.80 : x - Step 2: Convert to fraction form
118,244.20/177,366.30 = 107,357.80/x - Step 3: Cross multiply
118,244.20x = 177,366.30 × 107,357.80 - Step 4: Simplify right side
118,244.20x = 19,041,655,762.14 - Step 5: Solve for x
x = 19,041,655,762.14/118,244.20 - Step 6: Final answer
x = 161,036.70
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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.