Finding the Fourth Proportional to 354,989.98, 489,890.19 and 193,846.96
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Solution
The fourth proportional to 354,989.98, 489,890.19 and 193,846.96 is: 267,511.00
Step by Step Solution
- Step 1: Write the proportion equation
354,989.98 : 489,890.19 = 193,846.96 : x - Step 2: Convert to fraction form
354,989.98/489,890.19 = 193,846.96/x - Step 3: Cross multiply
354,989.98x = 489,890.19 × 193,846.96 - Step 4: Simplify right side
354,989.98x = 94,963,724,065.32 - Step 5: Solve for x
x = 94,963,724,065.32/354,989.98 - Step 6: Final answer
x = 267,511.00
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1.5x scale
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.