Finding the Fourth Proportional to 212,733.92, 293,572.80 and 127,850.99
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Solution
The fourth proportional to 212,733.92, 293,572.80 and 127,850.99 is: 176,434.35
Step by Step Solution
- Step 1: Write the proportion equation
212,733.92 : 293,572.80 = 127,850.99 : x - Step 2: Convert to fraction form
212,733.92/293,572.80 = 127,850.99/x - Step 3: Cross multiply
212,733.92x = 293,572.80 × 127,850.99 - Step 4: Simplify right side
212,733.92x = 37,533,571,649.21 - Step 5: Solve for x
x = 37,533,571,649.21/212,733.92 - Step 6: Final answer
x = 176,434.35
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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.