Finding the Fourth Proportional to 374,676.60, 561,873.84 and 121,890.96
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Solution
The fourth proportional to 374,676.60, 561,873.84 and 121,890.96 is: 182,790.55
Step by Step Solution
- Step 1: Write the proportion equation
374,676.60 : 561,873.84 = 121,890.96 : x - Step 2: Convert to fraction form
374,676.60/561,873.84 = 121,890.96/x - Step 3: Cross multiply
374,676.60x = 561,873.84 × 121,890.96 - Step 4: Simplify right side
374,676.60x = 68,487,341,756.49 - Step 5: Solve for x
x = 68,487,341,756.49/374,676.60 - Step 6: Final answer
x = 182,790.55
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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.