Finding the Fourth Proportional to 120,483.84, 180,645.12 and 46,525.44
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Solution
The fourth proportional to 120,483.84, 180,645.12 and 46,525.44 is: 69,757.02
Step by Step Solution
- Step 1: Write the proportion equation
120,483.84 : 180,645.12 = 46,525.44 : x - Step 2: Convert to fraction form
120,483.84/180,645.12 = 46,525.44/x - Step 3: Cross multiply
120,483.84x = 180,645.12 × 46,525.44 - Step 4: Simplify right side
120,483.84x = 8,404,593,691.85 - Step 5: Solve for x
x = 8,404,593,691.85/120,483.84 - Step 6: Final answer
x = 69,757.02
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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.