Finding the Fourth Proportional to 211,739.85, 292,201.49 and 116,252.70
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Solution
The fourth proportional to 211,739.85, 292,201.49 and 116,252.70 is: 160,429.00
Step by Step Solution
- Step 1: Write the proportion equation
211,739.85 : 292,201.49 = 116,252.70 : x - Step 2: Convert to fraction form
211,739.85/292,201.49 = 116,252.70/x - Step 3: Cross multiply
211,739.85x = 292,201.49 × 116,252.70 - Step 4: Simplify right side
211,739.85x = 33,969,212,156.52 - Step 5: Solve for x
x = 33,969,212,156.52/211,739.85 - Step 6: Final answer
x = 160,429.00
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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.