Finding the Fourth Proportional to 211,522.05, 291,881.88 and 120,859.92
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Solution
The fourth proportional to 211,522.05, 291,881.88 and 120,859.92 is: 166,776.09
Step by Step Solution
- Step 1: Write the proportion equation
211,522.05 : 291,881.88 = 120,859.92 : x - Step 2: Convert to fraction form
211,522.05/291,881.88 = 120,859.92/x - Step 3: Cross multiply
211,522.05x = 291,881.88 × 120,859.92 - Step 4: Simplify right side
211,522.05x = 35,276,820,666.25 - Step 5: Solve for x
x = 35,276,820,666.25/211,522.05 - Step 6: Final answer
x = 166,776.09
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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.