Finding the Fourth Proportional to 479,474.49, 661,655.46 and 264,611.79
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Solution
The fourth proportional to 479,474.49, 661,655.46 and 264,611.79 is: 365,153.60
Step by Step Solution
- Step 1: Write the proportion equation
479,474.49 : 661,655.46 = 264,611.79 : x - Step 2: Convert to fraction form
479,474.49/661,655.46 = 264,611.79/x - Step 3: Cross multiply
479,474.49x = 661,655.46 × 264,611.79 - Step 4: Simplify right side
479,474.49x = 175,081,835,633.87 - Step 5: Solve for x
x = 175,081,835,633.87/479,474.49 - Step 6: Final answer
x = 365,153.60
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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.