Finding the Fourth Proportional to 86,152.23, 129,228.21 and 26,992.44
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Solution
The fourth proportional to 86,152.23, 129,228.21 and 26,992.44 is: 40,488.62
Step by Step Solution
- Step 1: Write the proportion equation
86,152.23 : 129,228.21 = 26,992.44 : x - Step 2: Convert to fraction form
86,152.23/129,228.21 = 26,992.44/x - Step 3: Cross multiply
86,152.23x = 129,228.21 × 26,992.44 - Step 4: Simplify right side
86,152.23x = 3,488,184,704.73 - Step 5: Solve for x
x = 3,488,184,704.73/86,152.23 - Step 6: Final answer
x = 40,488.62
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1.5x scale
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.