Finding the Fourth Proportional to 382,338.43, 527,618.34 and 207,904.82
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Solution
The fourth proportional to 382,338.43, 527,618.34 and 207,904.82 is: 286,903.92
Step by Step Solution
- Step 1: Write the proportion equation
382,338.43 : 527,618.34 = 207,904.82 : x - Step 2: Convert to fraction form
382,338.43/527,618.34 = 207,904.82/x - Step 3: Cross multiply
382,338.43x = 527,618.34 × 207,904.82 - Step 4: Simplify right side
382,338.43x = 109,694,393,368.31 - Step 5: Solve for x
x = 109,694,393,368.31/382,338.43 - Step 6: Final answer
x = 286,903.92
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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.