Finding the Fourth Proportional to 247,629.72, 341,750.16 and 140,218.68
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Solution
The fourth proportional to 247,629.72, 341,750.16 and 140,218.68 is: 193,513.75
Step by Step Solution
- Step 1: Write the proportion equation
247,629.72 : 341,750.16 = 140,218.68 : x - Step 2: Convert to fraction form
247,629.72/341,750.16 = 140,218.68/x - Step 3: Cross multiply
247,629.72x = 341,750.16 × 140,218.68 - Step 4: Simplify right side
247,629.72x = 47,919,756,324.99 - Step 5: Solve for x
x = 47,919,756,324.99/247,629.72 - Step 6: Final answer
x = 193,513.75
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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.