Finding the Fourth Proportional to 227,242.32, 313,557.84 and 136,576.68
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Solution
The fourth proportional to 227,242.32, 313,557.84 and 136,576.68 is: 188,453.84
Step by Step Solution
- Step 1: Write the proportion equation
227,242.32 : 313,557.84 = 136,576.68 : x - Step 2: Convert to fraction form
227,242.32/313,557.84 = 136,576.68/x - Step 3: Cross multiply
227,242.32x = 313,557.84 × 136,576.68 - Step 4: Simplify right side
227,242.32x = 42,824,688,775.17 - Step 5: Solve for x
x = 42,824,688,775.17/227,242.32 - Step 6: Final answer
x = 188,453.84
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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.