Finding the Fourth Proportional to 276,728.67, 412,730.17 and 234,884.07
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Solution
The fourth proportional to 276,728.67, 412,730.17 and 234,884.07 is: 350,320.56
Step by Step Solution
- Step 1: Write the proportion equation
276,728.67 : 412,730.17 = 234,884.07 : x - Step 2: Convert to fraction form
276,728.67/412,730.17 = 234,884.07/x - Step 3: Cross multiply
276,728.67x = 412,730.17 × 234,884.07 - Step 4: Simplify right side
276,728.67x = 96,943,741,554.18 - Step 5: Solve for x
x = 96,943,741,554.18/276,728.67 - Step 6: Final answer
x = 350,320.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.