Finding the Fourth Proportional to 359,348.21, 495,902.88 and 198,207.62
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Solution
The fourth proportional to 359,348.21, 495,902.88 and 198,207.62 is: 273,527.81
Step by Step Solution
- Step 1: Write the proportion equation
359,348.21 : 495,902.88 = 198,207.62 : x - Step 2: Convert to fraction form
359,348.21/495,902.88 = 198,207.62/x - Step 3: Cross multiply
359,348.21x = 495,902.88 × 198,207.62 - Step 4: Simplify right side
359,348.21x = 98,291,729,595.95 - Step 5: Solve for x
x = 98,291,729,595.95/359,348.21 - Step 6: Final answer
x = 273,527.81
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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.