Finding the Fourth Proportional to 194,828.80, 291,724.80 and 124,326.40
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Solution
The fourth proportional to 194,828.80, 291,724.80 and 124,326.40 is: 186,158.79
Step by Step Solution
- Step 1: Write the proportion equation
194,828.80 : 291,724.80 = 124,326.40 : x - Step 2: Convert to fraction form
194,828.80/291,724.80 = 124,326.40/x - Step 3: Cross multiply
194,828.80x = 291,724.80 × 124,326.40 - Step 4: Simplify right side
194,828.80x = 36,269,094,174.72 - Step 5: Solve for x
x = 36,269,094,174.72/194,828.80 - Step 6: Final answer
x = 186,158.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.