Finding the Fourth Proportional to 279,850.44, 386,201.76 and 152,534.28
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Solution
The fourth proportional to 279,850.44, 386,201.76 and 152,534.28 is: 210,501.75
Step by Step Solution
- Step 1: Write the proportion equation
279,850.44 : 386,201.76 = 152,534.28 : x - Step 2: Convert to fraction form
279,850.44/386,201.76 = 152,534.28/x - Step 3: Cross multiply
279,850.44x = 386,201.76 × 152,534.28 - Step 4: Simplify right side
279,850.44x = 58,909,007,396.33 - Step 5: Solve for x
x = 58,909,007,396.33/279,850.44 - Step 6: Final answer
x = 210,501.75
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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.