Finding the Fourth Proportional to 265,771.76, 366,807.09 and 158,404.07
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Solution
The fourth proportional to 265,771.76, 366,807.09 and 158,404.07 is: 218,622.69
Step by Step Solution
- Step 1: Write the proportion equation
265,771.76 : 366,807.09 = 158,404.07 : x - Step 2: Convert to fraction form
265,771.76/366,807.09 = 158,404.07/x - Step 3: Cross multiply
265,771.76x = 366,807.09 × 158,404.07 - Step 4: Simplify right side
265,771.76x = 58,103,735,960.86 - Step 5: Solve for x
x = 58,103,735,960.86/265,771.76 - Step 6: Final answer
x = 218,622.69
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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.