Finding the Fourth Proportional to 131,619.24, 197,442.66 and 42,879.66
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Solution
The fourth proportional to 131,619.24, 197,442.66 and 42,879.66 is: 64,323.99
Step by Step Solution
- Step 1: Write the proportion equation
131,619.24 : 197,442.66 = 42,879.66 : x - Step 2: Convert to fraction form
131,619.24/197,442.66 = 42,879.66/x - Step 3: Cross multiply
131,619.24x = 197,442.66 × 42,879.66 - Step 4: Simplify right side
131,619.24x = 8,466,274,130.30 - Step 5: Solve for x
x = 8,466,274,130.30/131,619.24 - Step 6: Final answer
x = 64,323.99
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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.