Finding the Fourth Proportional to 303,397.75, 418,689.08 and 169,261.75
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Solution
The fourth proportional to 303,397.75, 418,689.08 and 169,261.75 is: 233,581.32
Step by Step Solution
- Step 1: Write the proportion equation
303,397.75 : 418,689.08 = 169,261.75 : x - Step 2: Convert to fraction form
303,397.75/418,689.08 = 169,261.75/x - Step 3: Cross multiply
303,397.75x = 418,689.08 × 169,261.75 - Step 4: Simplify right side
303,397.75x = 70,868,046,386.69 - Step 5: Solve for x
x = 70,868,046,386.69/303,397.75 - Step 6: Final answer
x = 233,581.32
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1.5x scale
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.