Finding the Fourth Proportional to 439,113.44, 605,968.62 and 248,122.82
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Solution
The fourth proportional to 439,113.44, 605,968.62 and 248,122.82 is: 342,405.01
Step by Step Solution
- Step 1: Write the proportion equation
439,113.44 : 605,968.62 = 248,122.82 : x - Step 2: Convert to fraction form
439,113.44/605,968.62 = 248,122.82/x - Step 3: Cross multiply
439,113.44x = 605,968.62 × 248,122.82 - Step 4: Simplify right side
439,113.44x = 150,354,642,825.91 - Step 5: Solve for x
x = 150,354,642,825.91/439,113.44 - Step 6: Final answer
x = 342,405.01
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1.5x scale
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.