Finding the Fourth Proportional to 276,791.22, 381,962.08 and 167,908.02
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Solution
The fourth proportional to 276,791.22, 381,962.08 and 167,908.02 is: 231,707.12
Step by Step Solution
- Step 1: Write the proportion equation
276,791.22 : 381,962.08 = 167,908.02 : x - Step 2: Convert to fraction form
276,791.22/381,962.08 = 167,908.02/x - Step 3: Cross multiply
276,791.22x = 381,962.08 × 167,908.02 - Step 4: Simplify right side
276,791.22x = 64,134,496,567.88 - Step 5: Solve for x
x = 64,134,496,567.88/276,791.22 - Step 6: Final answer
x = 231,707.12
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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.