Finding the Fourth Proportional to 355,787.58, 491,008.62 and 204,933.18
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Solution
The fourth proportional to 355,787.58, 491,008.62 and 204,933.18 is: 282,820.32
Step by Step Solution
- Step 1: Write the proportion equation
355,787.58 : 491,008.62 = 204,933.18 : x - Step 2: Convert to fraction form
355,787.58/491,008.62 = 204,933.18/x - Step 3: Cross multiply
355,787.58x = 491,008.62 × 204,933.18 - Step 4: Simplify right side
355,787.58x = 100,623,957,904.01 - Step 5: Solve for x
x = 100,623,957,904.01/355,787.58 - Step 6: Final answer
x = 282,820.32
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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.