Finding the Fourth Proportional to 175,436.30, 242,129.37 and 115,181.70
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Solution
The fourth proportional to 175,436.30, 242,129.37 and 115,181.70 is: 158,968.66
Step by Step Solution
- Step 1: Write the proportion equation
175,436.30 : 242,129.37 = 115,181.70 : x - Step 2: Convert to fraction form
175,436.30/242,129.37 = 115,181.70/x - Step 3: Cross multiply
175,436.30x = 242,129.37 × 115,181.70 - Step 4: Simplify right side
175,436.30x = 27,888,872,456.53 - Step 5: Solve for x
x = 27,888,872,456.53/175,436.30 - Step 6: Final answer
x = 158,968.66
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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.