Finding the Fourth Proportional to 359,414.84, 495,992.48 and 198,270.28
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Solution
The fourth proportional to 359,414.84, 495,992.48 and 198,270.28 is: 273,612.99
Step by Step Solution
- Step 1: Write the proportion equation
359,414.84 : 495,992.48 = 198,270.28 : x - Step 2: Convert to fraction form
359,414.84/495,992.48 = 198,270.28/x - Step 3: Cross multiply
359,414.84x = 495,992.48 × 198,270.28 - Step 4: Simplify right side
359,414.84x = 98,340,567,887.49 - Step 5: Solve for x
x = 98,340,567,887.49/359,414.84 - Step 6: Final answer
x = 273,612.99
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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.