Finding the Fourth Proportional to 354,591.71, 489,337.71 and 193,450.14
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Solution
The fourth proportional to 354,591.71, 489,337.71 and 193,450.14 is: 266,961.82
Step by Step Solution
- Step 1: Write the proportion equation
354,591.71 : 489,337.71 = 193,450.14 : x - Step 2: Convert to fraction form
354,591.71/489,337.71 = 193,450.14/x - Step 3: Cross multiply
354,591.71x = 489,337.71 × 193,450.14 - Step 4: Simplify right side
354,591.71x = 94,662,447,781.34 - Step 5: Solve for x
x = 94,662,447,781.34/354,591.71 - Step 6: Final answer
x = 266,961.82
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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.