Finding the Fourth Proportional to 374,939.61, 517,416.71 and 205,173.75
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Solution
The fourth proportional to 374,939.61, 517,416.71 and 205,173.75 is: 283,139.80
Step by Step Solution
- Step 1: Write the proportion equation
374,939.61 : 517,416.71 = 205,173.75 : x - Step 2: Convert to fraction form
374,939.61/517,416.71 = 205,173.75/x - Step 3: Cross multiply
374,939.61x = 517,416.71 × 205,173.75 - Step 4: Simplify right side
374,939.61x = 106,160,325,677.49 - Step 5: Solve for x
x = 106,160,325,677.49/374,939.61 - Step 6: Final answer
x = 283,139.80
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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.