Finding the Fourth Proportional to 372,824.16, 514,501.68 and 203,059.68
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Solution
The fourth proportional to 372,824.16, 514,501.68 and 203,059.68 is: 280,224.72
Step by Step Solution
- Step 1: Write the proportion equation
372,824.16 : 514,501.68 = 203,059.68 : x - Step 2: Convert to fraction form
372,824.16/514,501.68 = 203,059.68/x - Step 3: Cross multiply
372,824.16x = 514,501.68 × 203,059.68 - Step 4: Simplify right side
372,824.16x = 104,474,546,500.26 - Step 5: Solve for x
x = 104,474,546,500.26/372,824.16 - Step 6: Final answer
x = 280,224.72
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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.