Finding the Fourth Proportional to 211,683.63, 292,126.86 and 116,199.21
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Solution
The fourth proportional to 211,683.63, 292,126.86 and 116,199.21 is: 160,356.80
Step by Step Solution
- Step 1: Write the proportion equation
211,683.63 : 292,126.86 = 116,199.21 : x - Step 2: Convert to fraction form
211,683.63/292,126.86 = 116,199.21/x - Step 3: Cross multiply
211,683.63x = 292,126.86 × 116,199.21 - Step 4: Simplify right side
211,683.63x = 33,944,910,351.78 - Step 5: Solve for x
x = 33,944,910,351.78/211,683.63 - Step 6: Final answer
x = 160,356.80
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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.