Finding the Fourth Proportional to 211,944.75, 292,353.95 and 125,845.26
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Solution
The fourth proportional to 211,944.75, 292,353.95 and 125,845.26 is: 173,589.39
Step by Step Solution
- Step 1: Write the proportion equation
211,944.75 : 292,353.95 = 125,845.26 : x - Step 2: Convert to fraction form
211,944.75/292,353.95 = 125,845.26/x - Step 3: Cross multiply
211,944.75x = 292,353.95 × 125,845.26 - Step 4: Simplify right side
211,944.75x = 36,791,359,164.39 - Step 5: Solve for x
x = 36,791,359,164.39/211,944.75 - Step 6: Final answer
x = 173,589.39
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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.