Finding the Fourth Proportional to 397,101.13, 595,725.49 and 130,880.35
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Solution
The fourth proportional to 397,101.13, 595,725.49 and 130,880.35 is: 196,344.84
Step by Step Solution
- Step 1: Write the proportion equation
397,101.13 : 595,725.49 = 130,880.35 : x - Step 2: Convert to fraction form
397,101.13/595,725.49 = 130,880.35/x - Step 3: Cross multiply
397,101.13x = 595,725.49 × 130,880.35 - Step 4: Simplify right side
397,101.13x = 77,968,757,329.29 - Step 5: Solve for x
x = 77,968,757,329.29/397,101.13 - Step 6: Final answer
x = 196,344.84
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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.