Finding the Fourth Proportional to 407,883.80, 611,837.76 and 194,674.18
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Solution
The fourth proportional to 407,883.80, 611,837.76 and 194,674.18 is: 292,017.03
Step by Step Solution
- Step 1: Write the proportion equation
407,883.80 : 611,837.76 = 194,674.18 : x - Step 2: Convert to fraction form
407,883.80/611,837.76 = 194,674.18/x - Step 3: Cross multiply
407,883.80x = 611,837.76 × 194,674.18 - Step 4: Simplify right side
407,883.80x = 119,109,014,221.04 - Step 5: Solve for x
x = 119,109,014,221.04/407,883.80 - Step 6: Final answer
x = 292,017.03
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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.