Finding the Fourth Proportional to 372,913.36, 514,615.78 and 203,143.84
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Solution
The fourth proportional to 372,913.36, 514,615.78 and 203,143.84 is: 280,335.96
Step by Step Solution
- Step 1: Write the proportion equation
372,913.36 : 514,615.78 = 203,143.84 : x - Step 2: Convert to fraction form
372,913.36/514,615.78 = 203,143.84/x - Step 3: Cross multiply
372,913.36x = 514,615.78 × 203,143.84 - Step 4: Simplify right side
372,913.36x = 104,541,025,673.80 - Step 5: Solve for x
x = 104,541,025,673.80/372,913.36 - Step 6: Final answer
x = 280,335.96
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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.