Finding the Fourth Proportional to 498,231.41, 687,539.54 and 294,347.99
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Solution
The fourth proportional to 498,231.41, 687,539.54 and 294,347.99 is: 406,188.52
Step by Step Solution
- Step 1: Write the proportion equation
498,231.41 : 687,539.54 = 294,347.99 : x - Step 2: Convert to fraction form
498,231.41/687,539.54 = 294,347.99/x - Step 3: Cross multiply
498,231.41x = 687,539.54 × 294,347.99 - Step 4: Simplify right side
498,231.41x = 202,375,876,735.09 - Step 5: Solve for x
x = 202,375,876,735.09/498,231.41 - Step 6: Final answer
x = 406,188.52
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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.