Finding the Fourth Proportional to 372,945.03, 514,664.19 and 203,178.75
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Solution
The fourth proportional to 372,945.03, 514,664.19 and 203,178.75 is: 280,386.70
Step by Step Solution
- Step 1: Write the proportion equation
372,945.03 : 514,664.19 = 203,178.75 : x - Step 2: Convert to fraction form
372,945.03/514,664.19 = 203,178.75/x - Step 3: Cross multiply
372,945.03x = 514,664.19 × 203,178.75 - Step 4: Simplify right side
372,945.03x = 104,568,826,793.96 - Step 5: Solve for x
x = 104,568,826,793.96/372,945.03 - Step 6: Final answer
x = 280,386.70
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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.