Finding the Fourth Proportional to 108,157.68, 162,242.73 and 29,278.26
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Solution
The fourth proportional to 108,157.68, 162,242.73 and 29,278.26 is: 43,919.07
Step by Step Solution
- Step 1: Write the proportion equation
108,157.68 : 162,242.73 = 29,278.26 : x - Step 2: Convert to fraction form
108,157.68/162,242.73 = 29,278.26/x - Step 3: Cross multiply
108,157.68x = 162,242.73 × 29,278.26 - Step 4: Simplify right side
108,157.68x = 4,750,184,832.05 - Step 5: Solve for x
x = 4,750,184,832.05/108,157.68 - Step 6: Final answer
x = 43,919.07
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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.