Finding the Fourth Proportional to 354,689.08, 489,482.70 and 193,552.94
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Solution
The fourth proportional to 354,689.08, 489,482.70 and 193,552.94 is: 267,109.48
Step by Step Solution
- Step 1: Write the proportion equation
354,689.08 : 489,482.70 = 193,552.94 : x - Step 2: Convert to fraction form
354,689.08/489,482.70 = 193,552.94/x - Step 3: Cross multiply
354,689.08x = 489,482.70 × 193,552.94 - Step 4: Simplify right side
354,689.08x = 94,740,816,162.02 - Step 5: Solve for x
x = 94,740,816,162.02/354,689.08 - Step 6: Final answer
x = 267,109.48
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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.