Finding the Fourth Proportional to 200,662.08, 276,913.68 and 111,238.08
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Solution
The fourth proportional to 200,662.08, 276,913.68 and 111,238.08 is: 153,508.56
Step by Step Solution
- Step 1: Write the proportion equation
200,662.08 : 276,913.68 = 111,238.08 : x - Step 2: Convert to fraction form
200,662.08/276,913.68 = 111,238.08/x - Step 3: Cross multiply
200,662.08x = 276,913.68 × 111,238.08 - Step 4: Simplify right side
200,662.08x = 30,803,346,088.93 - Step 5: Solve for x
x = 30,803,346,088.93/200,662.08 - Step 6: Final answer
x = 153,508.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.