Finding the Fourth Proportional to 212,414.13, 293,159.49 and 127,536.66
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Solution
The fourth proportional to 212,414.13, 293,159.49 and 127,536.66 is: 176,017.39
Step by Step Solution
- Step 1: Write the proportion equation
212,414.13 : 293,159.49 = 127,536.66 : x - Step 2: Convert to fraction form
212,414.13/293,159.49 = 127,536.66/x - Step 3: Cross multiply
212,414.13x = 293,159.49 × 127,536.66 - Step 4: Simplify right side
212,414.13x = 37,388,580,098.42 - Step 5: Solve for x
x = 37,388,580,098.42/212,414.13 - Step 6: Final answer
x = 176,017.39
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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.