Finding the Fourth Proportional to 354,393.42, 489,074.72 and 193,257.31
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Solution
The fourth proportional to 354,393.42, 489,074.72 and 193,257.31 is: 266,701.52
Step by Step Solution
- Step 1: Write the proportion equation
354,393.42 : 489,074.72 = 193,257.31 : x - Step 2: Convert to fraction form
354,393.42/489,074.72 = 193,257.31/x - Step 3: Cross multiply
354,393.42x = 489,074.72 × 193,257.31 - Step 4: Simplify right side
354,393.42x = 94,517,264,776.20 - Step 5: Solve for x
x = 94,517,264,776.20/354,393.42 - Step 6: Final answer
x = 266,701.52
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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.