Finding the Fourth Proportional to 212,002.66, 292,562.67 and 121,358.17
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Solution
The fourth proportional to 212,002.66, 292,562.67 and 121,358.17 is: 167,473.70
Step by Step Solution
- Step 1: Write the proportion equation
212,002.66 : 292,562.67 = 121,358.17 : x - Step 2: Convert to fraction form
212,002.66/292,562.67 = 121,358.17/x - Step 3: Cross multiply
212,002.66x = 292,562.67 × 121,358.17 - Step 4: Simplify right side
212,002.66x = 35,504,870,241.51 - Step 5: Solve for x
x = 35,504,870,241.51/212,002.66 - Step 6: Final answer
x = 167,473.70
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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.