Finding the Fourth Proportional to 403,168.60, 604,608.81 and 133,246.79
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Solution
The fourth proportional to 403,168.60, 604,608.81 and 133,246.79 is: 199,822.56
Step by Step Solution
- Step 1: Write the proportion equation
403,168.60 : 604,608.81 = 133,246.79 : x - Step 2: Convert to fraction form
403,168.60/604,608.81 = 133,246.79/x - Step 3: Cross multiply
403,168.60x = 604,608.81 × 133,246.79 - Step 4: Simplify right side
403,168.60x = 80,562,183,138.22 - Step 5: Solve for x
x = 80,562,183,138.22/403,168.60 - Step 6: Final answer
x = 199,822.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.