Finding the Fourth Proportional to 238,591.92, 357,887.94 and 112,139.31
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Solution
The fourth proportional to 238,591.92, 357,887.94 and 112,139.31 is: 168,208.99
Step by Step Solution
- Step 1: Write the proportion equation
238,591.92 : 357,887.94 = 112,139.31 : x - Step 2: Convert to fraction form
238,591.92/357,887.94 = 112,139.31/x - Step 3: Cross multiply
238,591.92x = 357,887.94 × 112,139.31 - Step 4: Simplify right side
238,591.92x = 40,133,306,648.92 - Step 5: Solve for x
x = 40,133,306,648.92/238,591.92 - Step 6: Final answer
x = 168,208.99
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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.