Finding the Fourth Proportional to 272,690.62, 376,328.56 and 163,828.26
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Solution
The fourth proportional to 272,690.62, 376,328.56 and 163,828.26 is: 226,092.31
Step by Step Solution
- Step 1: Write the proportion equation
272,690.62 : 376,328.56 = 163,828.26 : x - Step 2: Convert to fraction form
272,690.62/376,328.56 = 163,828.26/x - Step 3: Cross multiply
272,690.62x = 376,328.56 × 163,828.26 - Step 4: Simplify right side
272,690.62x = 61,653,253,173.11 - Step 5: Solve for x
x = 61,653,253,173.11/272,690.62 - Step 6: Final answer
x = 226,092.31
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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.