Finding the Fourth Proportional to 385,169.48, 577,955.69 and 157,634.00
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Solution
The fourth proportional to 385,169.48, 577,955.69 and 157,634.00 is: 236,533.46
Step by Step Solution
- Step 1: Write the proportion equation
385,169.48 : 577,955.69 = 157,634.00 : x - Step 2: Convert to fraction form
385,169.48/577,955.69 = 157,634.00/x - Step 3: Cross multiply
385,169.48x = 577,955.69 × 157,634.00 - Step 4: Simplify right side
385,169.48x = 91,105,469,076.43 - Step 5: Solve for x
x = 91,105,469,076.43/385,169.48 - Step 6: Final answer
x = 236,533.46
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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.