Finding the Fourth Proportional to 220,357.98, 304,087.68 and 124,895.52
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Solution
The fourth proportional to 220,357.98, 304,087.68 and 124,895.52 is: 172,352.23
Step by Step Solution
- Step 1: Write the proportion equation
220,357.98 : 304,087.68 = 124,895.52 : x - Step 2: Convert to fraction form
220,357.98/304,087.68 = 124,895.52/x - Step 3: Cross multiply
220,357.98x = 304,087.68 × 124,895.52 - Step 4: Simplify right side
220,357.98x = 37,979,188,919.19 - Step 5: Solve for x
x = 37,979,188,919.19/220,357.98 - Step 6: Final answer
x = 172,352.23
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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.