Finding the Fourth Proportional to 211,069.06, 291,248.26 and 120,419.80
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Solution
The fourth proportional to 211,069.06, 291,248.26 and 120,419.80 is: 166,163.90
Step by Step Solution
- Step 1: Write the proportion equation
211,069.06 : 291,248.26 = 120,419.80 : x - Step 2: Convert to fraction form
211,069.06/291,248.26 = 120,419.80/x - Step 3: Cross multiply
211,069.06x = 291,248.26 × 120,419.80 - Step 4: Simplify right side
211,069.06x = 35,072,057,219.55 - Step 5: Solve for x
x = 35,072,057,219.55/211,069.06 - Step 6: Final answer
x = 166,163.90
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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.