Finding the Fourth Proportional to 131,534.26, 197,303.21 and 42,788.23
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Solution
The fourth proportional to 131,534.26, 197,303.21 and 42,788.23 is: 64,182.94
Step by Step Solution
- Step 1: Write the proportion equation
131,534.26 : 197,303.21 = 42,788.23 : x - Step 2: Convert to fraction form
131,534.26/197,303.21 = 42,788.23/x - Step 3: Cross multiply
131,534.26x = 197,303.21 × 42,788.23 - Step 4: Simplify right side
131,534.26x = 8,442,255,129.22 - Step 5: Solve for x
x = 8,442,255,129.22/131,534.26 - Step 6: Final answer
x = 64,182.94
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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.