Finding the Fourth Proportional to 203,182.40, 304,810.05 and 84,865.70
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Solution
The fourth proportional to 203,182.40, 304,810.05 and 84,865.70 is: 127,313.77
Step by Step Solution
- Step 1: Write the proportion equation
203,182.40 : 304,810.05 = 84,865.70 : x - Step 2: Convert to fraction form
203,182.40/304,810.05 = 84,865.70/x - Step 3: Cross multiply
203,182.40x = 304,810.05 × 84,865.70 - Step 4: Simplify right side
203,182.40x = 25,867,918,260.29 - Step 5: Solve for x
x = 25,867,918,260.29/203,182.40 - Step 6: Final answer
x = 127,313.77
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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.