Finding the Fourth Proportional to 479,623.26, 661,884.76 and 264,758.70
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Solution
The fourth proportional to 479,623.26, 661,884.76 and 264,758.70 is: 365,369.58
Step by Step Solution
- Step 1: Write the proportion equation
479,623.26 : 661,884.76 = 264,758.70 : x - Step 2: Convert to fraction form
479,623.26/661,884.76 = 264,758.70/x - Step 3: Cross multiply
479,623.26x = 661,884.76 × 264,758.70 - Step 4: Simplify right side
479,623.26x = 175,239,748,607.41 - Step 5: Solve for x
x = 175,239,748,607.41/479,623.26 - Step 6: Final answer
x = 365,369.58
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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.