Finding the Fourth Proportional to 358,959.11, 495,366.84 and 197,819.91
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Solution
The fourth proportional to 358,959.11, 495,366.84 and 197,819.91 is: 272,993.28
Step by Step Solution
- Step 1: Write the proportion equation
358,959.11 : 495,366.84 = 197,819.91 : x - Step 2: Convert to fraction form
358,959.11/495,366.84 = 197,819.91/x - Step 3: Cross multiply
358,959.11x = 495,366.84 × 197,819.91 - Step 4: Simplify right side
358,959.11x = 97,993,423,705.78 - Step 5: Solve for x
x = 97,993,423,705.78/358,959.11 - Step 6: Final answer
x = 272,993.28
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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.