Finding the Fourth Proportional to 642,067.92, 963,370.68 and 282,053.07
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Solution
The fourth proportional to 642,067.92, 963,370.68 and 282,053.07 is: 423,197.69
Step by Step Solution
- Step 1: Write the proportion equation
642,067.92 : 963,370.68 = 282,053.07 : x - Step 2: Convert to fraction form
642,067.92/963,370.68 = 282,053.07/x - Step 3: Cross multiply
642,067.92x = 963,370.68 × 282,053.07 - Step 4: Simplify right side
642,067.92x = 271,721,657,841.99 - Step 5: Solve for x
x = 271,721,657,841.99/642,067.92 - Step 6: Final answer
x = 423,197.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.