Finding the Fourth Proportional to 211,832.61, 292,327.88 and 115,035.62
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Solution
The fourth proportional to 211,832.61, 292,327.88 and 115,035.62 is: 158,748.55
Step by Step Solution
- Step 1: Write the proportion equation
211,832.61 : 292,327.88 = 115,035.62 : x - Step 2: Convert to fraction form
211,832.61/292,327.88 = 115,035.62/x - Step 3: Cross multiply
211,832.61x = 292,327.88 × 115,035.62 - Step 4: Simplify right side
211,832.61x = 33,628,119,218.52 - Step 5: Solve for x
x = 33,628,119,218.52/211,832.61 - Step 6: Final answer
x = 158,748.55
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1.5x scale
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.