Finding the Fourth Proportional to 358,889.99, 495,279.39 and 205,956.15
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Solution
The fourth proportional to 358,889.99, 495,279.39 and 205,956.15 is: 284,225.92
Step by Step Solution
- Step 1: Write the proportion equation
358,889.99 : 495,279.39 = 205,956.15 : x - Step 2: Convert to fraction form
358,889.99/495,279.39 = 205,956.15/x - Step 3: Cross multiply
358,889.99x = 495,279.39 × 205,956.15 - Step 4: Simplify right side
358,889.99x = 102,005,836,338.75 - Step 5: Solve for x
x = 102,005,836,338.75/358,889.99 - Step 6: Final answer
x = 284,225.92
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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.