Finding the Fourth Proportional to 416,639.08, 574,961.76 and 225,652.48
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Solution
The fourth proportional to 416,639.08, 574,961.76 and 225,652.48 is: 311,400.33
Step by Step Solution
- Step 1: Write the proportion equation
416,639.08 : 574,961.76 = 225,652.48 : x - Step 2: Convert to fraction form
416,639.08/574,961.76 = 225,652.48/x - Step 3: Cross multiply
416,639.08x = 574,961.76 × 225,652.48 - Step 4: Simplify right side
416,639.08x = 129,741,547,049.17 - Step 5: Solve for x
x = 129,741,547,049.17/416,639.08 - Step 6: Final answer
x = 311,400.33
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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.