Finding the Fourth Proportional to 151,423.26, 208,973.35 and 83,440.26
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Solution
The fourth proportional to 151,423.26, 208,973.35 and 83,440.26 is: 115,152.66
Step by Step Solution
- Step 1: Write the proportion equation
151,423.26 : 208,973.35 = 83,440.26 : x - Step 2: Convert to fraction form
151,423.26/208,973.35 = 83,440.26/x - Step 3: Cross multiply
151,423.26x = 208,973.35 × 83,440.26 - Step 4: Simplify right side
151,423.26x = 17,436,790,761.37 - Step 5: Solve for x
x = 17,436,790,761.37/151,423.26 - Step 6: Final answer
x = 115,152.66
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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.