Finding the Fourth Proportional to 720,211.91, 1,080,294.62 and 214,777.07
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Solution
The fourth proportional to 720,211.91, 1,080,294.62 and 214,777.07 is: 322,158.67
Step by Step Solution
- Step 1: Write the proportion equation
720,211.91 : 1,080,294.62 = 214,777.07 : x - Step 2: Convert to fraction form
720,211.91/1,080,294.62 = 214,777.07/x - Step 3: Cross multiply
720,211.91x = 1,080,294.62 × 214,777.07 - Step 4: Simplify right side
720,211.91x = 232,022,512,004.23 - Step 5: Solve for x
x = 232,022,512,004.23/720,211.91 - Step 6: Final answer
x = 322,158.67
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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.