Finding the Fourth Proportional to 122,849.79, 184,193.27 and 47,977.03
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Solution
The fourth proportional to 122,849.79, 184,193.27 and 47,977.03 is: 71,933.75
Step by Step Solution
- Step 1: Write the proportion equation
122,849.79 : 184,193.27 = 47,977.03 : x - Step 2: Convert to fraction form
122,849.79/184,193.27 = 47,977.03/x - Step 3: Cross multiply
122,849.79x = 184,193.27 × 47,977.03 - Step 4: Simplify right side
122,849.79x = 8,837,046,040.59 - Step 5: Solve for x
x = 8,837,046,040.59/122,849.79 - Step 6: Final answer
x = 71,933.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.