Finding the Fourth Proportional to 359,197.12, 495,695.36 and 198,057.95
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Solution
The fourth proportional to 359,197.12, 495,695.36 and 198,057.95 is: 273,321.81
Step by Step Solution
- Step 1: Write the proportion equation
359,197.12 : 495,695.36 = 198,057.95 : x - Step 2: Convert to fraction form
359,197.12/495,695.36 = 198,057.95/x - Step 3: Cross multiply
359,197.12x = 495,695.36 × 198,057.95 - Step 4: Simplify right side
359,197.12x = 98,176,406,826.11 - Step 5: Solve for x
x = 98,176,406,826.11/359,197.12 - Step 6: Final answer
x = 273,321.81
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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.