Finding the Fourth Proportional to 211,272.48, 291,558.33 and 115,777.13
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Solution
The fourth proportional to 211,272.48, 291,558.33 and 115,777.13 is: 159,773.70
Step by Step Solution
- Step 1: Write the proportion equation
211,272.48 : 291,558.33 = 115,777.13 : x - Step 2: Convert to fraction form
211,272.48/291,558.33 = 115,777.13/x - Step 3: Cross multiply
211,272.48x = 291,558.33 × 115,777.13 - Step 4: Simplify right side
211,272.48x = 33,755,785,217.20 - Step 5: Solve for x
x = 33,755,785,217.20/211,272.48 - Step 6: Final answer
x = 159,773.70
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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.