Finding the Fourth Proportional to 272,821.92, 376,494.96 and 158,122.80
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Solution
The fourth proportional to 272,821.92, 376,494.96 and 158,122.80 is: 218,209.88
Step by Step Solution
- Step 1: Write the proportion equation
272,821.92 : 376,494.96 = 158,122.80 : x - Step 2: Convert to fraction form
272,821.92/376,494.96 = 158,122.80/x - Step 3: Cross multiply
272,821.92x = 376,494.96 × 158,122.80 - Step 4: Simplify right side
272,821.92x = 59,532,437,261.09 - Step 5: Solve for x
x = 59,532,437,261.09/272,821.92 - Step 6: Final answer
x = 218,209.88
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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.