Finding the Fourth Proportional to 354,546.22, 489,280.63 and 193,407.19
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Solution
The fourth proportional to 354,546.22, 489,280.63 and 193,407.19 is: 266,905.66
Step by Step Solution
- Step 1: Write the proportion equation
354,546.22 : 489,280.63 = 193,407.19 : x - Step 2: Convert to fraction form
354,546.22/489,280.63 = 193,407.19/x - Step 3: Cross multiply
354,546.22x = 489,280.63 × 193,407.19 - Step 4: Simplify right side
354,546.22x = 94,630,391,769.73 - Step 5: Solve for x
x = 94,630,391,769.73/354,546.22 - Step 6: Final answer
x = 266,905.66
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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.