Finding the Fourth Proportional to 248,719.68, 342,446.18 and 225,990.64
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Solution
The fourth proportional to 248,719.68, 342,446.18 and 225,990.64 is: 311,152.02
Step by Step Solution
- Step 1: Write the proportion equation
248,719.68 : 342,446.18 = 225,990.64 : x - Step 2: Convert to fraction form
248,719.68/342,446.18 = 225,990.64/x - Step 3: Cross multiply
248,719.68x = 342,446.18 × 225,990.64 - Step 4: Simplify right side
248,719.68x = 77,389,631,383.76 - Step 5: Solve for x
x = 77,389,631,383.76/248,719.68 - Step 6: Final answer
x = 311,152.02
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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.