Finding the Fourth Proportional to 386,484.91, 579,455.70 and 170,241.01
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Solution
The fourth proportional to 386,484.91, 579,455.70 and 170,241.01 is: 255,241.85
Step by Step Solution
- Step 1: Write the proportion equation
386,484.91 : 579,455.70 = 170,241.01 : x - Step 2: Convert to fraction form
386,484.91/579,455.70 = 170,241.01/x - Step 3: Cross multiply
386,484.91x = 579,455.70 × 170,241.01 - Step 4: Simplify right side
386,484.91x = 98,647,123,618.26 - Step 5: Solve for x
x = 98,647,123,618.26/386,484.91 - Step 6: Final answer
x = 255,241.85
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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.