Finding the Fourth Proportional to 656,137.14, 984,205.74 and 157,501.14
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Solution
The fourth proportional to 656,137.14, 984,205.74 and 157,501.14 is: 236,251.72
Step by Step Solution
- Step 1: Write the proportion equation
656,137.14 : 984,205.74 = 157,501.14 : x - Step 2: Convert to fraction form
656,137.14/984,205.74 = 157,501.14/x - Step 3: Cross multiply
656,137.14x = 984,205.74 × 157,501.14 - Step 4: Simplify right side
656,137.14x = 155,013,526,044.54 - Step 5: Solve for x
x = 155,013,526,044.54/656,137.14 - Step 6: Final answer
x = 236,251.72
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1.5x scale
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.