Finding the Fourth Proportional to 354,724.61, 489,530.39 and 193,590.09
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Solution
The fourth proportional to 354,724.61, 489,530.39 and 193,590.09 is: 267,160.02
Step by Step Solution
- Step 1: Write the proportion equation
354,724.61 : 489,530.39 = 193,590.09 : x - Step 2: Convert to fraction form
354,724.61/489,530.39 = 193,590.09/x - Step 3: Cross multiply
354,724.61x = 489,530.39 × 193,590.09 - Step 4: Simplify right side
354,724.61x = 94,768,231,289.88 - Step 5: Solve for x
x = 94,768,231,289.88/354,724.61 - Step 6: Final answer
x = 267,160.02
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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.