Finding the Fourth Proportional to 613,108.92, 919,652.76 and 275,910.96
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Solution
The fourth proportional to 613,108.92, 919,652.76 and 275,910.96 is: 413,861.66
Step by Step Solution
- Step 1: Write the proportion equation
613,108.92 : 919,652.76 = 275,910.96 : x - Step 2: Convert to fraction form
613,108.92/919,652.76 = 275,910.96/x - Step 3: Cross multiply
613,108.92x = 919,652.76 × 275,910.96 - Step 4: Simplify right side
613,108.92x = 253,742,275,878.25 - Step 5: Solve for x
x = 253,742,275,878.25/613,108.92 - Step 6: Final answer
x = 413,861.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.