Finding the Fourth Proportional to 327,578.23, 491,448.93 and 260,363.85
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Solution
The fourth proportional to 327,578.23, 491,448.93 and 260,363.85 is: 390,610.62
Step by Step Solution
- Step 1: Write the proportion equation
327,578.23 : 491,448.93 = 260,363.85 : x - Step 2: Convert to fraction form
327,578.23/491,448.93 = 260,363.85/x - Step 3: Cross multiply
327,578.23x = 491,448.93 × 260,363.85 - Step 4: Simplify right side
327,578.23x = 127,955,535,493.18 - Step 5: Solve for x
x = 127,955,535,493.18/327,578.23 - Step 6: Final answer
x = 390,610.62
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1.5x scale
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.