Finding the Fourth Proportional to 194,965.19, 292,447.79 and 70,306.19
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Solution
The fourth proportional to 194,965.19, 292,447.79 and 70,306.19 is: 105,459.29
Step by Step Solution
- Step 1: Write the proportion equation
194,965.19 : 292,447.79 = 70,306.19 : x - Step 2: Convert to fraction form
194,965.19/292,447.79 = 70,306.19/x - Step 3: Cross multiply
194,965.19x = 292,447.79 × 70,306.19 - Step 4: Simplify right side
194,965.19x = 20,560,889,888.82 - Step 5: Solve for x
x = 20,560,889,888.82/194,965.19 - Step 6: Final answer
x = 105,459.29
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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.