Finding the Fourth Proportional to 210,304.19, 290,236.34 and 119,663.97
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Solution
The fourth proportional to 210,304.19, 290,236.34 and 119,663.97 is: 165,145.70
Step by Step Solution
- Step 1: Write the proportion equation
210,304.19 : 290,236.34 = 119,663.97 : x - Step 2: Convert to fraction form
210,304.19/290,236.34 = 119,663.97/x - Step 3: Cross multiply
210,304.19x = 290,236.34 × 119,663.97 - Step 4: Simplify right side
210,304.19x = 34,730,832,084.35 - Step 5: Solve for x
x = 34,730,832,084.35/210,304.19 - Step 6: Final answer
x = 165,145.70
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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.