Finding the Fourth Proportional to 407,099.31, 561,783.63 and 245,926.18
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Solution
The fourth proportional to 407,099.31, 561,783.63 and 245,926.18 is: 339,370.02
Step by Step Solution
- Step 1: Write the proportion equation
407,099.31 : 561,783.63 = 245,926.18 : x - Step 2: Convert to fraction form
407,099.31/561,783.63 = 245,926.18/x - Step 3: Cross multiply
407,099.31x = 561,783.63 × 245,926.18 - Step 4: Simplify right side
407,099.31x = 138,157,302,112.43 - Step 5: Solve for x
x = 138,157,302,112.43/407,099.31 - Step 6: Final answer
x = 339,370.02
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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.