Finding the Fourth Proportional to 212,226.06, 292,865.80 and 116,732.74
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Solution
The fourth proportional to 212,226.06, 292,865.80 and 116,732.74 is: 161,087.79
Step by Step Solution
- Step 1: Write the proportion equation
212,226.06 : 292,865.80 = 116,732.74 : x - Step 2: Convert to fraction form
212,226.06/292,865.80 = 116,732.74/x - Step 3: Cross multiply
212,226.06x = 292,865.80 × 116,732.74 - Step 4: Simplify right side
212,226.06x = 34,187,027,286.29 - Step 5: Solve for x
x = 34,187,027,286.29/212,226.06 - Step 6: Final answer
x = 161,087.79
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1.5x scale
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.