Finding the Fourth Proportional to 142,900.44, 214,301.38 and 58,636.68
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Solution
The fourth proportional to 142,900.44, 214,301.38 and 58,636.68 is: 87,934.80
Step by Step Solution
- Step 1: Write the proportion equation
142,900.44 : 214,301.38 = 58,636.68 : x - Step 2: Convert to fraction form
142,900.44/214,301.38 = 58,636.68/x - Step 3: Cross multiply
142,900.44x = 214,301.38 × 58,636.68 - Step 4: Simplify right side
142,900.44x = 12,565,921,442.62 - Step 5: Solve for x
x = 12,565,921,442.62/142,900.44 - Step 6: Final answer
x = 87,934.80
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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.