Finding the Fourth Proportional to 385,204.96, 577,879.76 and 174,857.68
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Solution
The fourth proportional to 385,204.96, 577,879.76 and 174,857.68 is: 262,319.35
Step by Step Solution
- Step 1: Write the proportion equation
385,204.96 : 577,879.76 = 174,857.68 : x - Step 2: Convert to fraction form
385,204.96/577,879.76 = 174,857.68/x - Step 3: Cross multiply
385,204.96x = 577,879.76 × 174,857.68 - Step 4: Simplify right side
385,204.96x = 101,046,714,152.56 - Step 5: Solve for x
x = 101,046,714,152.56/385,204.96 - Step 6: Final answer
x = 262,319.35
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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.