Finding the Fourth Proportional to 220,442.18, 304,233.99 and 124,938.62
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Solution
The fourth proportional to 220,442.18, 304,233.99 and 124,938.62 is: 172,428.77
Step by Step Solution
- Step 1: Write the proportion equation
220,442.18 : 304,233.99 = 124,938.62 : x - Step 2: Convert to fraction form
220,442.18/304,233.99 = 124,938.62/x - Step 3: Cross multiply
220,442.18x = 304,233.99 × 124,938.62 - Step 4: Simplify right side
220,442.18x = 38,010,573,346.52 - Step 5: Solve for x
x = 38,010,573,346.52/220,442.18 - Step 6: Final answer
x = 172,428.77
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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.