Finding the Fourth Proportional to 372,288.96, 513,762.75 and 202,523.49
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Solution
The fourth proportional to 372,288.96, 513,762.75 and 202,523.49 is: 279,484.58
Step by Step Solution
- Step 1: Write the proportion equation
372,288.96 : 513,762.75 = 202,523.49 : x - Step 2: Convert to fraction form
372,288.96/513,762.75 = 202,523.49/x - Step 3: Cross multiply
372,288.96x = 513,762.75 × 202,523.49 - Step 4: Simplify right side
372,288.96x = 104,049,025,162.00 - Step 5: Solve for x
x = 104,049,025,162.00/372,288.96 - Step 6: Final answer
x = 279,484.58
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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.