Finding the Fourth Proportional to 220,463.99, 304,295.42 and 135,531.84
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Solution
The fourth proportional to 220,463.99, 304,295.42 and 135,531.84 is: 187,067.83
Step by Step Solution
- Step 1: Write the proportion equation
220,463.99 : 304,295.42 = 135,531.84 : x - Step 2: Convert to fraction form
220,463.99/304,295.42 = 135,531.84/x - Step 3: Cross multiply
220,463.99x = 304,295.42 × 135,531.84 - Step 4: Simplify right side
220,463.99x = 41,241,719,656.11 - Step 5: Solve for x
x = 41,241,719,656.11/220,463.99 - Step 6: Final answer
x = 187,067.83
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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.