Finding the Fourth Proportional to 212,716.08, 293,548.73 and 115,920.68
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Solution
The fourth proportional to 212,716.08, 293,548.73 and 115,920.68 is: 159,970.82
Step by Step Solution
- Step 1: Write the proportion equation
212,716.08 : 293,548.73 = 115,920.68 : x - Step 2: Convert to fraction form
212,716.08/293,548.73 = 115,920.68/x - Step 3: Cross multiply
212,716.08x = 293,548.73 × 115,920.68 - Step 4: Simplify right side
212,716.08x = 34,028,366,347.39 - Step 5: Solve for x
x = 34,028,366,347.39/212,716.08 - Step 6: Final answer
x = 159,970.82
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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.