Finding the Fourth Proportional to 135,772.24, 203,660.64 and 47,028.36
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Solution
The fourth proportional to 135,772.24, 203,660.64 and 47,028.36 is: 70,543.33
Step by Step Solution
- Step 1: Write the proportion equation
135,772.24 : 203,660.64 = 47,028.36 : x - Step 2: Convert to fraction form
135,772.24/203,660.64 = 47,028.36/x - Step 3: Cross multiply
135,772.24x = 203,660.64 × 47,028.36 - Step 4: Simplify right side
135,772.24x = 9,577,825,895.75 - Step 5: Solve for x
x = 9,577,825,895.75/135,772.24 - Step 6: Final answer
x = 70,543.33
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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.