Finding the Fourth Proportional to 146,962.40, 202,891.28 and 112,442.08
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Solution
The fourth proportional to 146,962.40, 202,891.28 and 112,442.08 is: 155,233.70
Step by Step Solution
- Step 1: Write the proportion equation
146,962.40 : 202,891.28 = 112,442.08 : x - Step 2: Convert to fraction form
146,962.40/202,891.28 = 112,442.08/x - Step 3: Cross multiply
146,962.40x = 202,891.28 × 112,442.08 - Step 4: Simplify right side
146,962.40x = 22,813,517,537.06 - Step 5: Solve for x
x = 22,813,517,537.06/146,962.40 - Step 6: Final answer
x = 155,233.70
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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.