Finding the Fourth Proportional to 354,736.74, 489,547.07 and 193,602.13
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Solution
The fourth proportional to 354,736.74, 489,547.07 and 193,602.13 is: 267,176.60
Step by Step Solution
- Step 1: Write the proportion equation
354,736.74 : 489,547.07 = 193,602.13 : x - Step 2: Convert to fraction form
354,736.74/489,547.07 = 193,602.13/x - Step 3: Cross multiply
354,736.74x = 489,547.07 × 193,602.13 - Step 4: Simplify right side
354,736.74x = 94,777,355,487.26 - Step 5: Solve for x
x = 94,777,355,487.26/354,736.74 - Step 6: Final answer
x = 267,176.60
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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.