Finding the Fourth Proportional to 354,514.52, 489,231.57 and 193,373.03
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Solution
The fourth proportional to 354,514.52, 489,231.57 and 193,373.03 is: 266,855.61
Step by Step Solution
- Step 1: Write the proportion equation
354,514.52 : 489,231.57 = 193,373.03 : x - Step 2: Convert to fraction form
354,514.52/489,231.57 = 193,373.03/x - Step 3: Cross multiply
354,514.52x = 489,231.57 × 193,373.03 - Step 4: Simplify right side
354,514.52x = 94,604,188,616.40 - Step 5: Solve for x
x = 94,604,188,616.40/354,514.52 - Step 6: Final answer
x = 266,855.61
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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.