Finding the Fourth Proportional to 154,863.81, 232,202.75 and 53,628.49
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Solution
The fourth proportional to 154,863.81, 232,202.75 and 53,628.49 is: 80,410.54
Step by Step Solution
- Step 1: Write the proportion equation
154,863.81 : 232,202.75 = 53,628.49 : x - Step 2: Convert to fraction form
154,863.81/232,202.75 = 53,628.49/x - Step 3: Cross multiply
154,863.81x = 232,202.75 × 53,628.49 - Step 4: Simplify right side
154,863.81x = 12,452,681,695.33 - Step 5: Solve for x
x = 12,452,681,695.33/154,863.81 - Step 6: Final answer
x = 80,410.54
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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.