Finding the Fourth Proportional to 740,127.21, 1,110,231.18 and 234,651.62
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Solution
The fourth proportional to 740,127.21, 1,110,231.18 and 234,651.62 is: 351,990.23
Step by Step Solution
- Step 1: Write the proportion equation
740,127.21 : 1,110,231.18 = 234,651.62 : x - Step 2: Convert to fraction form
740,127.21/1,110,231.18 = 234,651.62/x - Step 3: Cross multiply
740,127.21x = 1,110,231.18 × 234,651.62 - Step 4: Simplify right side
740,127.21x = 260,517,544,961.51 - Step 5: Solve for x
x = 260,517,544,961.51/740,127.21 - Step 6: Final answer
x = 351,990.23
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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.