Finding the Fourth Proportional to 354,230.40, 488,823.76 and 193,082.08
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Solution
The fourth proportional to 354,230.40, 488,823.76 and 193,082.08 is: 266,445.53
Step by Step Solution
- Step 1: Write the proportion equation
354,230.40 : 488,823.76 = 193,082.08 : x - Step 2: Convert to fraction form
354,230.40/488,823.76 = 193,082.08/x - Step 3: Cross multiply
354,230.40x = 488,823.76 × 193,082.08 - Step 4: Simplify right side
354,230.40x = 94,383,108,334.22 - Step 5: Solve for x
x = 94,383,108,334.22/354,230.40 - Step 6: Final answer
x = 266,445.53
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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.