Finding the Fourth Proportional to 207,944.40, 310,412.40 and 182,721.80
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Solution
The fourth proportional to 207,944.40, 310,412.40 and 182,721.80 is: 272,760.95
Step by Step Solution
- Step 1: Write the proportion equation
207,944.40 : 310,412.40 = 182,721.80 : x - Step 2: Convert to fraction form
207,944.40/310,412.40 = 182,721.80/x - Step 3: Cross multiply
207,944.40x = 310,412.40 × 182,721.80 - Step 4: Simplify right side
207,944.40x = 56,719,112,470.32 - Step 5: Solve for x
x = 56,719,112,470.32/207,944.40 - Step 6: Final answer
x = 272,760.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.