Finding the Fourth Proportional to 135,817.49, 203,762.47 and 47,070.92
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Solution
The fourth proportional to 135,817.49, 203,762.47 and 47,070.92 is: 70,618.94
Step by Step Solution
- Step 1: Write the proportion equation
135,817.49 : 203,762.47 = 47,070.92 : x - Step 2: Convert to fraction form
135,817.49/203,762.47 = 47,070.92/x - Step 3: Cross multiply
135,817.49x = 203,762.47 × 47,070.92 - Step 4: Simplify right side
135,817.49x = 9,591,286,924.37 - Step 5: Solve for x
x = 9,591,286,924.37/135,817.49 - Step 6: Final answer
x = 70,618.94
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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.