Finding the Fourth Proportional to 331,889.76, 497,679.12 and 121,380.48
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Solution
The fourth proportional to 331,889.76, 497,679.12 and 121,380.48 is: 182,013.84
Step by Step Solution
- Step 1: Write the proportion equation
331,889.76 : 497,679.12 = 121,380.48 : x - Step 2: Convert to fraction form
331,889.76/497,679.12 = 121,380.48/x - Step 3: Cross multiply
331,889.76x = 497,679.12 × 121,380.48 - Step 4: Simplify right side
331,889.76x = 60,408,530,471.58 - Step 5: Solve for x
x = 60,408,530,471.58/331,889.76 - Step 6: Final answer
x = 182,013.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.