Finding the Fourth Proportional to 479,639.70, 661,885.29 and 264,779.10
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Solution
The fourth proportional to 479,639.70, 661,885.29 and 264,779.10 is: 365,385.50
Step by Step Solution
- Step 1: Write the proportion equation
479,639.70 : 661,885.29 = 264,779.10 : x - Step 2: Convert to fraction form
479,639.70/661,885.29 = 264,779.10/x - Step 3: Cross multiply
479,639.70x = 661,885.29 × 264,779.10 - Step 4: Simplify right side
479,639.70x = 175,253,391,389.44 - Step 5: Solve for x
x = 175,253,391,389.44/479,639.70 - Step 6: Final answer
x = 365,385.50
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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.