Finding the Fourth Proportional to 211,144.93, 291,381.91 and 120,499.99
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Solution
The fourth proportional to 211,144.93, 291,381.91 and 120,499.99 is: 166,291.07
Step by Step Solution
- Step 1: Write the proportion equation
211,144.93 : 291,381.91 = 120,499.99 : x - Step 2: Convert to fraction form
211,144.93/291,381.91 = 120,499.99/x - Step 3: Cross multiply
211,144.93x = 291,381.91 × 120,499.99 - Step 4: Simplify right side
211,144.93x = 35,111,516,211.48 - Step 5: Solve for x
x = 35,111,516,211.48/211,144.93 - Step 6: Final answer
x = 166,291.07
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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.