Finding the Fourth Proportional to 272,554.21, 376,121.01 and 151,695.53
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Solution
The fourth proportional to 272,554.21, 376,121.01 and 151,695.53 is: 209,337.72
Step by Step Solution
- Step 1: Write the proportion equation
272,554.21 : 376,121.01 = 151,695.53 : x - Step 2: Convert to fraction form
272,554.21/376,121.01 = 151,695.53/x - Step 3: Cross multiply
272,554.21x = 376,121.01 × 151,695.53 - Step 4: Simplify right side
272,554.21x = 57,055,875,956.09 - Step 5: Solve for x
x = 57,055,875,956.09/272,554.21 - Step 6: Final answer
x = 209,337.72
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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.