Finding the Fourth Proportional to 354,313.45, 531,220.99 and 164,572.37
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Solution
The fourth proportional to 354,313.45, 531,220.99 and 164,572.37 is: 246,742.81
Step by Step Solution
- Step 1: Write the proportion equation
354,313.45 : 531,220.99 = 164,572.37 : x - Step 2: Convert to fraction form
354,313.45/531,220.99 = 164,572.37/x - Step 3: Cross multiply
354,313.45x = 531,220.99 × 164,572.37 - Step 4: Simplify right side
354,313.45x = 87,424,297,318.05 - Step 5: Solve for x
x = 87,424,297,318.05/354,313.45 - Step 6: Final answer
x = 246,742.81
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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.