Finding the Fourth Proportional to 211,082.76, 291,294.99 and 115,588.62
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Solution
The fourth proportional to 211,082.76, 291,294.99 and 115,588.62 is: 159,512.72
Step by Step Solution
- Step 1: Write the proportion equation
211,082.76 : 291,294.99 = 115,588.62 : x - Step 2: Convert to fraction form
211,082.76/291,294.99 = 115,588.62/x - Step 3: Cross multiply
211,082.76x = 291,294.99 × 115,588.62 - Step 4: Simplify right side
211,082.76x = 33,670,385,907.01 - Step 5: Solve for x
x = 33,670,385,907.01/211,082.76 - Step 6: Final answer
x = 159,512.72
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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.