Finding the Fourth Proportional to 407,212.74, 561,956.58 and 223,450.02
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Solution
The fourth proportional to 407,212.74, 561,956.58 and 223,450.02 is: 308,362.67
Step by Step Solution
- Step 1: Write the proportion equation
407,212.74 : 561,956.58 = 223,450.02 : x - Step 2: Convert to fraction form
407,212.74/561,956.58 = 223,450.02/x - Step 3: Cross multiply
407,212.74x = 561,956.58 × 223,450.02 - Step 4: Simplify right side
407,212.74x = 125,569,209,040.13 - Step 5: Solve for x
x = 125,569,209,040.13/407,212.74 - Step 6: Final answer
x = 308,362.67
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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.