Finding the Fourth Proportional to 176,116.20, 242,913.60 and 121,687.44
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Solution
The fourth proportional to 176,116.20, 242,913.60 and 121,687.44 is: 167,841.09
Step by Step Solution
- Step 1: Write the proportion equation
176,116.20 : 242,913.60 = 121,687.44 : x - Step 2: Convert to fraction form
176,116.20/242,913.60 = 121,687.44/x - Step 3: Cross multiply
176,116.20x = 242,913.60 × 121,687.44 - Step 4: Simplify right side
176,116.20x = 29,559,534,125.18 - Step 5: Solve for x
x = 29,559,534,125.18/176,116.20 - Step 6: Final answer
x = 167,841.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.