Finding the Fourth Proportional to 331,024.14, 455,943.14 and 254,396.62
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Solution
The fourth proportional to 331,024.14, 455,943.14 and 254,396.62 is: 350,398.60
Step by Step Solution
- Step 1: Write the proportion equation
331,024.14 : 455,943.14 = 254,396.62 : x - Step 2: Convert to fraction form
331,024.14/455,943.14 = 254,396.62/x - Step 3: Cross multiply
331,024.14x = 455,943.14 × 254,396.62 - Step 4: Simplify right side
331,024.14x = 115,990,393,728.19 - Step 5: Solve for x
x = 115,990,393,728.19/331,024.14 - Step 6: Final answer
x = 350,398.60
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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.