Finding the Fourth Proportional to 456,713.16, 685,135.26 and 141,194.70
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Solution
The fourth proportional to 456,713.16, 685,135.26 and 141,194.70 is: 211,812.31
Step by Step Solution
- Step 1: Write the proportion equation
456,713.16 : 685,135.26 = 141,194.70 : x - Step 2: Convert to fraction form
456,713.16/685,135.26 = 141,194.70/x - Step 3: Cross multiply
456,713.16x = 685,135.26 × 141,194.70 - Step 4: Simplify right side
456,713.16x = 96,737,467,495.12 - Step 5: Solve for x
x = 96,737,467,495.12/456,713.16 - Step 6: Final answer
x = 211,812.31
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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.