Finding the Fourth Proportional to 273,937.44, 378,071.28 and 157,648.53
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Solution
The fourth proportional to 273,937.44, 378,071.28 and 157,648.53 is: 217,576.62
Step by Step Solution
- Step 1: Write the proportion equation
273,937.44 : 378,071.28 = 157,648.53 : x - Step 2: Convert to fraction form
273,937.44/378,071.28 = 157,648.53/x - Step 3: Cross multiply
273,937.44x = 378,071.28 × 157,648.53 - Step 4: Simplify right side
273,937.44x = 59,602,381,527.22 - Step 5: Solve for x
x = 59,602,381,527.22/273,937.44 - Step 6: Final answer
x = 217,576.62
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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.