Finding the Fourth Proportional to 248,695.36, 343,356.37 and 176,251.88
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Solution
The fourth proportional to 248,695.36, 343,356.37 and 176,251.88 is: 243,338.70
Step by Step Solution
- Step 1: Write the proportion equation
248,695.36 : 343,356.37 = 176,251.88 : x - Step 2: Convert to fraction form
248,695.36/343,356.37 = 176,251.88/x - Step 3: Cross multiply
248,695.36x = 343,356.37 × 176,251.88 - Step 4: Simplify right side
248,695.36x = 60,517,206,140.24 - Step 5: Solve for x
x = 60,517,206,140.24/248,695.36 - Step 6: Final answer
x = 243,338.70
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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.