Finding the Fourth Proportional to 272,554.40, 376,121.34 and 151,695.75
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Solution
The fourth proportional to 272,554.40, 376,121.34 and 151,695.75 is: 209,338.06
Step by Step Solution
- Step 1: Write the proportion equation
272,554.40 : 376,121.34 = 151,695.75 : x - Step 2: Convert to fraction form
272,554.40/376,121.34 = 151,695.75/x - Step 3: Cross multiply
272,554.40x = 376,121.34 × 151,695.75 - Step 4: Simplify right side
272,554.40x = 57,056,010,172.76 - Step 5: Solve for x
x = 57,056,010,172.76/272,554.40 - Step 6: Final answer
x = 209,338.06
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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.