Finding the Fourth Proportional to 354,969.98, 489,878.51 and 193,840.05
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Solution
The fourth proportional to 354,969.98, 489,878.51 and 193,840.05 is: 267,510.16
Step by Step Solution
- Step 1: Write the proportion equation
354,969.98 : 489,878.51 = 193,840.05 : x - Step 2: Convert to fraction form
354,969.98/489,878.51 = 193,840.05/x - Step 3: Cross multiply
354,969.98x = 489,878.51 × 193,840.05 - Step 4: Simplify right side
354,969.98x = 94,958,073,903.13 - Step 5: Solve for x
x = 94,958,073,903.13/354,969.98 - Step 6: Final answer
x = 267,510.16
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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.