Finding the Fourth Proportional to 416,114.79, 574,235.99 and 225,124.08
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Solution
The fourth proportional to 416,114.79, 574,235.99 and 225,124.08 is: 310,669.92
Step by Step Solution
- Step 1: Write the proportion equation
416,114.79 : 574,235.99 = 225,124.08 : x - Step 2: Convert to fraction form
416,114.79/574,235.99 = 225,124.08/x - Step 3: Cross multiply
416,114.79x = 574,235.99 × 225,124.08 - Step 4: Simplify right side
416,114.79x = 129,274,346,516.85 - Step 5: Solve for x
x = 129,274,346,516.85/416,114.79 - Step 6: Final answer
x = 310,669.92
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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.