Finding the Fourth Proportional to 306,798.40, 460,229.01 and 117,418.03
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Solution
The fourth proportional to 306,798.40, 460,229.01 and 117,418.03 is: 176,139.07
Step by Step Solution
- Step 1: Write the proportion equation
306,798.40 : 460,229.01 = 117,418.03 : x - Step 2: Convert to fraction form
306,798.40/460,229.01 = 117,418.03/x - Step 3: Cross multiply
306,798.40x = 460,229.01 × 117,418.03 - Step 4: Simplify right side
306,798.40x = 54,039,183,703.05 - Step 5: Solve for x
x = 54,039,183,703.05/306,798.40 - Step 6: Final answer
x = 176,139.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.