Finding the Fourth Proportional to 211,740.60, 292,198.40 and 116,246.60
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Solution
The fourth proportional to 211,740.60, 292,198.40 and 116,246.60 is: 160,418.32
Step by Step Solution
- Step 1: Write the proportion equation
211,740.60 : 292,198.40 = 116,246.60 : x - Step 2: Convert to fraction form
211,740.60/292,198.40 = 116,246.60/x - Step 3: Cross multiply
211,740.60x = 292,198.40 × 116,246.60 - Step 4: Simplify right side
211,740.60x = 33,967,070,525.44 - Step 5: Solve for x
x = 33,967,070,525.44/211,740.60 - Step 6: Final answer
x = 160,418.32
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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.