Finding the Fourth Proportional to 276,325.75, 381,329.55 and 157,093.75
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Solution
The fourth proportional to 276,325.75, 381,329.55 and 157,093.75 is: 216,789.38
Step by Step Solution
- Step 1: Write the proportion equation
276,325.75 : 381,329.55 = 157,093.75 : x - Step 2: Convert to fraction form
276,325.75/381,329.55 = 157,093.75/x - Step 3: Cross multiply
276,325.75x = 381,329.55 × 157,093.75 - Step 4: Simplify right side
276,325.75x = 59,904,488,995.31 - Step 5: Solve for x
x = 59,904,488,995.31/276,325.75 - Step 6: Final answer
x = 216,789.38
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1.5x scale
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.