Finding the Fourth Proportional to 440,129.68, 660,187.16 and 140,608.08
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Solution
The fourth proportional to 440,129.68, 660,187.16 and 140,608.08 is: 210,909.77
Step by Step Solution
- Step 1: Write the proportion equation
440,129.68 : 660,187.16 = 140,608.08 : x - Step 2: Convert to fraction form
440,129.68/660,187.16 = 140,608.08/x - Step 3: Cross multiply
440,129.68x = 660,187.16 × 140,608.08 - Step 4: Simplify right side
440,129.68x = 92,827,649,008.25 - Step 5: Solve for x
x = 92,827,649,008.25/440,129.68 - Step 6: Final answer
x = 210,909.77
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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.