Finding the Fourth Proportional to 358,861.21, 495,249.12 and 205,897.98
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Solution
The fourth proportional to 358,861.21, 495,249.12 and 205,897.98 is: 284,151.07
Step by Step Solution
- Step 1: Write the proportion equation
358,861.21 : 495,249.12 = 205,897.98 : x - Step 2: Convert to fraction form
358,861.21/495,249.12 = 205,897.98/x - Step 3: Cross multiply
358,861.21x = 495,249.12 × 205,897.98 - Step 4: Simplify right side
358,861.21x = 101,970,795,261.96 - Step 5: Solve for x
x = 101,970,795,261.96/358,861.21 - Step 6: Final answer
x = 284,151.07
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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.