Finding the Fourth Proportional to 276,093.62, 381,004.98 and 155,235.02
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Solution
The fourth proportional to 276,093.62, 381,004.98 and 155,235.02 is: 214,221.96
Step by Step Solution
- Step 1: Write the proportion equation
276,093.62 : 381,004.98 = 155,235.02 : x - Step 2: Convert to fraction form
276,093.62/381,004.98 = 155,235.02/x - Step 3: Cross multiply
276,093.62x = 381,004.98 × 155,235.02 - Step 4: Simplify right side
276,093.62x = 59,145,315,690.40 - Step 5: Solve for x
x = 59,145,315,690.40/276,093.62 - Step 6: Final answer
x = 214,221.96
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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.