Finding the Fourth Proportional to 372,188.76, 513,622.92 and 202,424.12
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Solution
The fourth proportional to 372,188.76, 513,622.92 and 202,424.12 is: 279,346.61
Step by Step Solution
- Step 1: Write the proportion equation
372,188.76 : 513,622.92 = 202,424.12 : x - Step 2: Convert to fraction form
372,188.76/513,622.92 = 202,424.12/x - Step 3: Cross multiply
372,188.76x = 513,622.92 × 202,424.12 - Step 4: Simplify right side
372,188.76x = 103,969,667,592.83 - Step 5: Solve for x
x = 103,969,667,592.83/372,188.76 - Step 6: Final answer
x = 279,346.61
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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.