Finding the Fourth Proportional to 354,586.58, 489,341.81 and 193,450.49
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Solution
The fourth proportional to 354,586.58, 489,341.81 and 193,450.49 is: 266,968.40
Step by Step Solution
- Step 1: Write the proportion equation
354,586.58 : 489,341.81 = 193,450.49 : x - Step 2: Convert to fraction form
354,586.58/489,341.81 = 193,450.49/x - Step 3: Cross multiply
354,586.58x = 489,341.81 × 193,450.49 - Step 4: Simplify right side
354,586.58x = 94,663,411,954.73 - Step 5: Solve for x
x = 94,663,411,954.73/354,586.58 - Step 6: Final answer
x = 266,968.40
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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.