Finding the Fourth Proportional to 372,894.14, 514,591.26 and 203,128.26
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Solution
The fourth proportional to 372,894.14, 514,591.26 and 203,128.26 is: 280,315.55
Step by Step Solution
- Step 1: Write the proportion equation
372,894.14 : 514,591.26 = 203,128.26 : x - Step 2: Convert to fraction form
372,894.14/514,591.26 = 203,128.26/x - Step 3: Cross multiply
372,894.14x = 514,591.26 × 203,128.26 - Step 4: Simplify right side
372,894.14x = 104,528,027,255.01 - Step 5: Solve for x
x = 104,528,027,255.01/372,894.14 - Step 6: Final answer
x = 280,315.55
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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.