Finding the Fourth Proportional to 211,230.99, 291,525.89 and 120,566.17
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Solution
The fourth proportional to 211,230.99, 291,525.89 and 120,566.17 is: 166,396.80
Step by Step Solution
- Step 1: Write the proportion equation
211,230.99 : 291,525.89 = 120,566.17 : x - Step 2: Convert to fraction form
211,230.99/291,525.89 = 120,566.17/x - Step 3: Cross multiply
211,230.99x = 291,525.89 × 120,566.17 - Step 4: Simplify right side
211,230.99x = 35,148,159,774.72 - Step 5: Solve for x
x = 35,148,159,774.72/211,230.99 - Step 6: Final answer
x = 166,396.80
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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.