Finding the Fourth Proportional to 178,805.23, 246,691.05 and 101,270.32
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Solution
The fourth proportional to 178,805.23, 246,691.05 and 101,270.32 is: 139,718.96
Step by Step Solution
- Step 1: Write the proportion equation
178,805.23 : 246,691.05 = 101,270.32 : x - Step 2: Convert to fraction form
178,805.23/246,691.05 = 101,270.32/x - Step 3: Cross multiply
178,805.23x = 246,691.05 × 101,270.32 - Step 4: Simplify right side
178,805.23x = 24,982,481,574.64 - Step 5: Solve for x
x = 24,982,481,574.64/178,805.23 - Step 6: Final answer
x = 139,718.96
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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.