Finding the Fourth Proportional to 354,627.48, 489,386.70 and 193,482.84
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Solution
The fourth proportional to 354,627.48, 489,386.70 and 193,482.84 is: 267,006.74
Step by Step Solution
- Step 1: Write the proportion equation
354,627.48 : 489,386.70 = 193,482.84 : x - Step 2: Convert to fraction form
354,627.48/489,386.70 = 193,482.84/x - Step 3: Cross multiply
354,627.48x = 489,386.70 × 193,482.84 - Step 4: Simplify right side
354,627.48x = 94,687,928,574.23 - Step 5: Solve for x
x = 94,687,928,574.23/354,627.48 - Step 6: Final answer
x = 267,006.74
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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.