Finding the Fourth Proportional to 247,684.26, 341,908.92 and 167,220.78
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Solution
The fourth proportional to 247,684.26, 341,908.92 and 167,220.78 is: 230,835.32
Step by Step Solution
- Step 1: Write the proportion equation
247,684.26 : 341,908.92 = 167,220.78 : x - Step 2: Convert to fraction form
247,684.26/341,908.92 = 167,220.78/x - Step 3: Cross multiply
247,684.26x = 341,908.92 × 167,220.78 - Step 4: Simplify right side
247,684.26x = 57,174,276,291.36 - Step 5: Solve for x
x = 57,174,276,291.36/247,684.26 - Step 6: Final answer
x = 230,835.32
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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.