Finding the Fourth Proportional to 243,679.44, 336,276.68 and 136,249.14
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Solution
The fourth proportional to 243,679.44, 336,276.68 and 136,249.14 is: 188,023.28
Step by Step Solution
- Step 1: Write the proportion equation
243,679.44 : 336,276.68 = 136,249.14 : x - Step 2: Convert to fraction form
243,679.44/336,276.68 = 136,249.14/x - Step 3: Cross multiply
243,679.44x = 336,276.68 × 136,249.14 - Step 4: Simplify right side
243,679.44x = 45,817,408,452.06 - Step 5: Solve for x
x = 45,817,408,452.06/243,679.44 - Step 6: Final answer
x = 188,023.28
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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.