Finding the Fourth Proportional to 374,897.75, 517,358.90 and 205,131.88
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Solution
The fourth proportional to 374,897.75, 517,358.90 and 205,131.88 is: 283,081.99
Step by Step Solution
- Step 1: Write the proportion equation
374,897.75 : 517,358.90 = 205,131.88 : x - Step 2: Convert to fraction form
374,897.75/517,358.90 = 205,131.88/x - Step 3: Cross multiply
374,897.75x = 517,358.90 × 205,131.88 - Step 4: Simplify right side
374,897.75x = 106,126,800,179.28 - Step 5: Solve for x
x = 106,126,800,179.28/374,897.75 - Step 6: Final answer
x = 283,081.99
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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.