Finding the Fourth Proportional to 227,398.94, 313,933.58 and 136,775.14
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Solution
The fourth proportional to 227,398.94, 313,933.58 and 136,775.14 is: 188,823.70
Step by Step Solution
- Step 1: Write the proportion equation
227,398.94 : 313,933.58 = 136,775.14 : x - Step 2: Convert to fraction form
227,398.94/313,933.58 = 136,775.14/x - Step 3: Cross multiply
227,398.94x = 313,933.58 × 136,775.14 - Step 4: Simplify right side
227,398.94x = 42,938,309,355.20 - Step 5: Solve for x
x = 42,938,309,355.20/227,398.94 - Step 6: Final answer
x = 188,823.70
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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.