Finding the Fourth Proportional to 188,493.92, 260,120.08 and 103,610.08
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Solution
The fourth proportional to 188,493.92, 260,120.08 and 103,610.08 is: 142,981.07
Step by Step Solution
- Step 1: Write the proportion equation
188,493.92 : 260,120.08 = 103,610.08 : x - Step 2: Convert to fraction form
188,493.92/260,120.08 = 103,610.08/x - Step 3: Cross multiply
188,493.92x = 260,120.08 × 103,610.08 - Step 4: Simplify right side
188,493.92x = 26,951,062,298.41 - Step 5: Solve for x
x = 26,951,062,298.41/188,493.92 - Step 6: Final answer
x = 142,981.07
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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.