Finding the Fourth Proportional to 311,887.79, 467,652.61 and 122,125.98
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Solution
The fourth proportional to 311,887.79, 467,652.61 and 122,125.98 is: 183,118.85
Step by Step Solution
- Step 1: Write the proportion equation
311,887.79 : 467,652.61 = 122,125.98 : x - Step 2: Convert to fraction form
311,887.79/467,652.61 = 122,125.98/x - Step 3: Cross multiply
311,887.79x = 467,652.61 × 122,125.98 - Step 4: Simplify right side
311,887.79x = 57,112,532,685.18 - Step 5: Solve for x
x = 57,112,532,685.18/311,887.79 - Step 6: Final answer
x = 183,118.85
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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.