Finding the Fourth Proportional to 215,146.08, 296,878.80 and 119,637.36
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Solution
The fourth proportional to 215,146.08, 296,878.80 and 119,637.36 is: 165,086.88
Step by Step Solution
- Step 1: Write the proportion equation
215,146.08 : 296,878.80 = 119,637.36 : x - Step 2: Convert to fraction form
215,146.08/296,878.80 = 119,637.36/x - Step 3: Cross multiply
215,146.08x = 296,878.80 × 119,637.36 - Step 4: Simplify right side
215,146.08x = 35,517,795,871.97 - Step 5: Solve for x
x = 35,517,795,871.97/215,146.08 - Step 6: Final answer
x = 165,086.88
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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.