Finding the Fourth Proportional to 176,618.62, 243,740.12 and 101,181.70
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Solution
The fourth proportional to 176,618.62, 243,740.12 and 101,181.70 is: 139,634.42
Step by Step Solution
- Step 1: Write the proportion equation
176,618.62 : 243,740.12 = 101,181.70 : x - Step 2: Convert to fraction form
176,618.62/243,740.12 = 101,181.70/x - Step 3: Cross multiply
176,618.62x = 243,740.12 × 101,181.70 - Step 4: Simplify right side
176,618.62x = 24,662,039,498.57 - Step 5: Solve for x
x = 24,662,039,498.57/176,618.62 - Step 6: Final answer
x = 139,634.42
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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.