Finding the Fourth Proportional to 248,177.44, 342,301.56 and 157,455.28
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Solution
The fourth proportional to 248,177.44, 342,301.56 and 157,455.28 is: 217,171.99
Step by Step Solution
- Step 1: Write the proportion equation
248,177.44 : 342,301.56 = 157,455.28 : x - Step 2: Convert to fraction form
248,177.44/342,301.56 = 157,455.28/x - Step 3: Cross multiply
248,177.44x = 342,301.56 × 157,455.28 - Step 4: Simplify right side
248,177.44x = 53,897,187,974.24 - Step 5: Solve for x
x = 53,897,187,974.24/248,177.44 - Step 6: Final answer
x = 217,171.99
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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.