Finding the Fourth Proportional to 457,350.92, 630,943.20 and 275,961.68
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Solution
The fourth proportional to 457,350.92, 630,943.20 and 275,961.68 is: 380,705.79
Step by Step Solution
- Step 1: Write the proportion equation
457,350.92 : 630,943.20 = 275,961.68 : x - Step 2: Convert to fraction form
457,350.92/630,943.20 = 275,961.68/x - Step 3: Cross multiply
457,350.92x = 630,943.20 × 275,961.68 - Step 4: Simplify right side
457,350.92x = 174,116,145,456.58 - Step 5: Solve for x
x = 174,116,145,456.58/457,350.92 - Step 6: Final answer
x = 380,705.79
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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.