Finding the Fourth Proportional to 211,503.08, 291,882.42 and 116,013.80
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Solution
The fourth proportional to 211,503.08, 291,882.42 and 116,013.80 is: 160,103.53
Step by Step Solution
- Step 1: Write the proportion equation
211,503.08 : 291,882.42 = 116,013.80 : x - Step 2: Convert to fraction form
211,503.08/291,882.42 = 116,013.80/x - Step 3: Cross multiply
211,503.08x = 291,882.42 × 116,013.80 - Step 4: Simplify right side
211,503.08x = 33,862,388,697.40 - Step 5: Solve for x
x = 33,862,388,697.40/211,503.08 - Step 6: Final answer
x = 160,103.53
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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.