Finding the Fourth Proportional to 211,621.08, 292,043.14 and 116,134.08
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Solution
The fourth proportional to 211,621.08, 292,043.14 and 116,134.08 is: 160,268.35
Step by Step Solution
- Step 1: Write the proportion equation
211,621.08 : 292,043.14 = 116,134.08 : x - Step 2: Convert to fraction form
211,621.08/292,043.14 = 116,134.08/x - Step 3: Cross multiply
211,621.08x = 292,043.14 × 116,134.08 - Step 4: Simplify right side
211,621.08x = 33,916,161,384.21 - Step 5: Solve for x
x = 33,916,161,384.21/211,621.08 - Step 6: Final answer
x = 160,268.35
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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.