Finding the Fourth Proportional to 198,215.44, 273,545.58 and 113,332.48
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Solution
The fourth proportional to 198,215.44, 273,545.58 and 113,332.48 is: 156,403.55
Step by Step Solution
- Step 1: Write the proportion equation
198,215.44 : 273,545.58 = 113,332.48 : x - Step 2: Convert to fraction form
198,215.44/273,545.58 = 113,332.48/x - Step 3: Cross multiply
198,215.44x = 273,545.58 × 113,332.48 - Step 4: Simplify right side
198,215.44x = 31,001,598,974.44 - Step 5: Solve for x
x = 31,001,598,974.44/198,215.44 - Step 6: Final answer
x = 156,403.55
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1.5x scale
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.