Finding the Fourth Proportional to 354,369.03, 489,020.27 and 193,227.09
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Solution
The fourth proportional to 354,369.03, 489,020.27 and 193,227.09 is: 266,648.48
Step by Step Solution
- Step 1: Write the proportion equation
354,369.03 : 489,020.27 = 193,227.09 : x - Step 2: Convert to fraction form
354,369.03/489,020.27 = 193,227.09/x - Step 3: Cross multiply
354,369.03x = 489,020.27 × 193,227.09 - Step 4: Simplify right side
354,369.03x = 94,491,962,756.98 - Step 5: Solve for x
x = 94,491,962,756.98/354,369.03 - Step 6: Final answer
x = 266,648.48
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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.