Finding the Fourth Proportional to 354,590.61, 489,325.33 and 193,445.62
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Solution
The fourth proportional to 354,590.61, 489,325.33 and 193,445.62 is: 266,949.66
Step by Step Solution
- Step 1: Write the proportion equation
354,590.61 : 489,325.33 = 193,445.62 : x - Step 2: Convert to fraction form
354,590.61/489,325.33 = 193,445.62/x - Step 3: Cross multiply
354,590.61x = 489,325.33 × 193,445.62 - Step 4: Simplify right side
354,590.61x = 94,657,841,843.55 - Step 5: Solve for x
x = 94,657,841,843.55/354,590.61 - Step 6: Final answer
x = 266,949.66
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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.