Finding the Fourth Proportional to 354,781.74, 489,595.02 and 193,635.48
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Solution
The fourth proportional to 354,781.74, 489,595.02 and 193,635.48 is: 267,214.90
Step by Step Solution
- Step 1: Write the proportion equation
354,781.74 : 489,595.02 = 193,635.48 : x - Step 2: Convert to fraction form
354,781.74/489,595.02 = 193,635.48/x - Step 3: Cross multiply
354,781.74x = 489,595.02 × 193,635.48 - Step 4: Simplify right side
354,781.74x = 94,802,966,703.31 - Step 5: Solve for x
x = 94,802,966,703.31/354,781.74 - Step 6: Final answer
x = 267,214.90
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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.