Finding the Fourth Proportional to 211,611.21, 292,027.04 and 116,126.79
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Solution
The fourth proportional to 211,611.21, 292,027.04 and 116,126.79 is: 160,256.93
Step by Step Solution
- Step 1: Write the proportion equation
211,611.21 : 292,027.04 = 116,126.79 : x - Step 2: Convert to fraction form
211,611.21/292,027.04 = 116,126.79/x - Step 3: Cross multiply
211,611.21x = 292,027.04 × 116,126.79 - Step 4: Simplify right side
211,611.21x = 33,912,162,748.40 - Step 5: Solve for x
x = 33,912,162,748.40/211,611.21 - Step 6: Final answer
x = 160,256.93
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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.