Finding the Fourth Proportional to 212,453.91, 293,092.70 and 131,719.59
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Solution
The fourth proportional to 212,453.91, 293,092.70 and 131,719.59 is: 181,714.94
Step by Step Solution
- Step 1: Write the proportion equation
212,453.91 : 293,092.70 = 131,719.59 : x - Step 2: Convert to fraction form
212,453.91/293,092.70 = 131,719.59/x - Step 3: Cross multiply
212,453.91x = 293,092.70 × 131,719.59 - Step 4: Simplify right side
212,453.91x = 38,606,049,617.40 - Step 5: Solve for x
x = 38,606,049,617.40/212,453.91 - Step 6: Final answer
x = 181,714.94
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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.