Finding the Fourth Proportional to 211,330.74, 291,635.10 and 115,841.46
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Solution
The fourth proportional to 211,330.74, 291,635.10 and 115,841.46 is: 159,860.49
Step by Step Solution
- Step 1: Write the proportion equation
211,330.74 : 291,635.10 = 115,841.46 : x - Step 2: Convert to fraction form
211,330.74/291,635.10 = 115,841.46/x - Step 3: Cross multiply
211,330.74x = 291,635.10 × 115,841.46 - Step 4: Simplify right side
211,330.74x = 33,783,435,771.25 - Step 5: Solve for x
x = 33,783,435,771.25/211,330.74 - Step 6: Final answer
x = 159,860.49
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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.