Finding the Fourth Proportional to 451,334.28, 622,905.18 and 279,307.65
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Solution
The fourth proportional to 451,334.28, 622,905.18 and 279,307.65 is: 385,484.09
Step by Step Solution
- Step 1: Write the proportion equation
451,334.28 : 622,905.18 = 279,307.65 : x - Step 2: Convert to fraction form
451,334.28/622,905.18 = 279,307.65/x - Step 3: Cross multiply
451,334.28x = 622,905.18 × 279,307.65 - Step 4: Simplify right side
451,334.28x = 173,982,181,998.63 - Step 5: Solve for x
x = 173,982,181,998.63/451,334.28 - Step 6: Final answer
x = 385,484.09
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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.