Finding the Fourth Proportional to 212,415.13, 293,160.87 and 127,537.66
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Solution
The fourth proportional to 212,415.13, 293,160.87 and 127,537.66 is: 176,018.78
Step by Step Solution
- Step 1: Write the proportion equation
212,415.13 : 293,160.87 = 127,537.66 : x - Step 2: Convert to fraction form
212,415.13/293,160.87 = 127,537.66/x - Step 3: Cross multiply
212,415.13x = 293,160.87 × 127,537.66 - Step 4: Simplify right side
212,415.13x = 37,389,051,363.36 - Step 5: Solve for x
x = 37,389,051,363.36/212,415.13 - Step 6: Final answer
x = 176,018.78
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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.