Finding the Fourth Proportional to 354,947.71, 489,824.13 and 193,802.26
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Solution
The fourth proportional to 354,947.71, 489,824.13 and 193,802.26 is: 267,445.09
Step by Step Solution
- Step 1: Write the proportion equation
354,947.71 : 489,824.13 = 193,802.26 : x - Step 2: Convert to fraction form
354,947.71/489,824.13 = 193,802.26/x - Step 3: Cross multiply
354,947.71x = 489,824.13 × 193,802.26 - Step 4: Simplify right side
354,947.71x = 94,929,023,396.53 - Step 5: Solve for x
x = 94,929,023,396.53/354,947.71 - Step 6: Final answer
x = 267,445.09
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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.