Finding the Fourth Proportional to 329,539.48, 454,767.42 and 178,636.44
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Solution
The fourth proportional to 329,539.48, 454,767.42 and 178,636.44 is: 246,519.88
Step by Step Solution
- Step 1: Write the proportion equation
329,539.48 : 454,767.42 = 178,636.44 : x - Step 2: Convert to fraction form
329,539.48/454,767.42 = 178,636.44/x - Step 3: Cross multiply
329,539.48x = 454,767.42 × 178,636.44 - Step 4: Simplify right side
329,539.48x = 81,238,032,936.78 - Step 5: Solve for x
x = 81,238,032,936.78/329,539.48 - Step 6: Final answer
x = 246,519.88
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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.