Finding the Fourth Proportional to 354,790.19, 489,606.95 and 193,643.84
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Solution
The fourth proportional to 354,790.19, 489,606.95 and 193,643.84 is: 267,226.59
Step by Step Solution
- Step 1: Write the proportion equation
354,790.19 : 489,606.95 = 193,643.84 : x - Step 2: Convert to fraction form
354,790.19/489,606.95 = 193,643.84/x - Step 3: Cross multiply
354,790.19x = 489,606.95 × 193,643.84 - Step 4: Simplify right side
354,790.19x = 94,809,371,596.82 - Step 5: Solve for x
x = 94,809,371,596.82/354,790.19 - Step 6: Final answer
x = 267,226.59
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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.