Finding the Fourth Proportional to 467,639.92, 645,342.81 and 252,779.99
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Solution
The fourth proportional to 467,639.92, 645,342.81 and 252,779.99 is: 348,836.23
Step by Step Solution
- Step 1: Write the proportion equation
467,639.92 : 645,342.81 = 252,779.99 : x - Step 2: Convert to fraction form
467,639.92/645,342.81 = 252,779.99/x - Step 3: Cross multiply
467,639.92x = 645,342.81 × 252,779.99 - Step 4: Simplify right side
467,639.92x = 163,129,744,883.73 - Step 5: Solve for x
x = 163,129,744,883.73/467,639.92 - Step 6: Final answer
x = 348,836.23
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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.