Finding the Fourth Proportional to 276,250.58, 381,117.84 and 155,364.14
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Solution
The fourth proportional to 276,250.58, 381,117.84 and 155,364.14 is: 214,341.80
Step by Step Solution
- Step 1: Write the proportion equation
276,250.58 : 381,117.84 = 155,364.14 : x - Step 2: Convert to fraction form
276,250.58/381,117.84 = 155,364.14/x - Step 3: Cross multiply
276,250.58x = 381,117.84 × 155,364.14 - Step 4: Simplify right side
276,250.58x = 59,212,045,450.26 - Step 5: Solve for x
x = 59,212,045,450.26/276,250.58 - Step 6: Final answer
x = 214,341.80
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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.