Finding the Fourth Proportional to 191,671.76, 264,507.36 and 106,791.84
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Solution
The fourth proportional to 191,671.76, 264,507.36 and 106,791.84 is: 147,372.92
Step by Step Solution
- Step 1: Write the proportion equation
191,671.76 : 264,507.36 = 106,791.84 : x - Step 2: Convert to fraction form
191,671.76/264,507.36 = 106,791.84/x - Step 3: Cross multiply
191,671.76x = 264,507.36 × 106,791.84 - Step 4: Simplify right side
191,671.76x = 28,247,227,667.94 - Step 5: Solve for x
x = 28,247,227,667.94/191,671.76 - Step 6: Final answer
x = 147,372.92
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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.