Finding the Fourth Proportional to 212,303.97, 292,979.43 and 116,808.62
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Solution
The fourth proportional to 212,303.97, 292,979.43 and 116,808.62 is: 161,195.86
Step by Step Solution
- Step 1: Write the proportion equation
212,303.97 : 292,979.43 = 116,808.62 : x - Step 2: Convert to fraction form
212,303.97/292,979.43 = 116,808.62/x - Step 3: Cross multiply
212,303.97x = 292,979.43 × 116,808.62 - Step 4: Simplify right side
212,303.97x = 34,222,521,441.79 - Step 5: Solve for x
x = 34,222,521,441.79/212,303.97 - Step 6: Final answer
x = 161,195.86
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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.