Finding the Fourth Proportional to 354,543.99, 489,273.84 and 193,399.77
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Solution
The fourth proportional to 354,543.99, 489,273.84 and 193,399.77 is: 266,893.39
Step by Step Solution
- Step 1: Write the proportion equation
354,543.99 : 489,273.84 = 193,399.77 : x - Step 2: Convert to fraction form
354,543.99/489,273.84 = 193,399.77/x - Step 3: Cross multiply
354,543.99x = 489,273.84 × 193,399.77 - Step 4: Simplify right side
354,543.99x = 94,625,448,123.02 - Step 5: Solve for x
x = 94,625,448,123.02/354,543.99 - Step 6: Final answer
x = 266,893.39
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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.