Finding the Fourth Proportional to 479,323.68, 661,348.74 and 293,008.08
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Solution
The fourth proportional to 479,323.68, 661,348.74 and 293,008.08 is: 404,279.06
Step by Step Solution
- Step 1: Write the proportion equation
479,323.68 : 661,348.74 = 293,008.08 : x - Step 2: Convert to fraction form
479,323.68/661,348.74 = 293,008.08/x - Step 3: Cross multiply
479,323.68x = 661,348.74 × 293,008.08 - Step 4: Simplify right side
479,323.68x = 193,780,524,517.82 - Step 5: Solve for x
x = 193,780,524,517.82/479,323.68 - Step 6: Final answer
x = 404,279.06
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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.