Finding the Fourth Proportional to 372,346.38, 513,840.24 and 202,581.72
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Solution
The fourth proportional to 372,346.38, 513,840.24 and 202,581.72 is: 279,563.99
Step by Step Solution
- Step 1: Write the proportion equation
372,346.38 : 513,840.24 = 202,581.72 : x - Step 2: Convert to fraction form
372,346.38/513,840.24 = 202,581.72/x - Step 3: Cross multiply
372,346.38x = 513,840.24 × 202,581.72 - Step 4: Simplify right side
372,346.38x = 104,094,639,624.41 - Step 5: Solve for x
x = 104,094,639,624.41/372,346.38 - Step 6: Final answer
x = 279,563.99
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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.