Finding the Fourth Proportional to 416,638.08, 574,960.38 and 225,651.48
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Solution
The fourth proportional to 416,638.08, 574,960.38 and 225,651.48 is: 311,398.95
Step by Step Solution
- Step 1: Write the proportion equation
416,638.08 : 574,960.38 = 225,651.48 : x - Step 2: Convert to fraction form
416,638.08/574,960.38 = 225,651.48/x - Step 3: Cross multiply
416,638.08x = 574,960.38 × 225,651.48 - Step 4: Simplify right side
416,638.08x = 129,740,660,688.36 - Step 5: Solve for x
x = 129,740,660,688.36/416,638.08 - Step 6: Final answer
x = 311,398.95
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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.