Finding the Fourth Proportional to 120,635.68, 180,768.99 and 64,483.77
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Solution
The fourth proportional to 120,635.68, 180,768.99 and 64,483.77 is: 96,627.02
Step by Step Solution
- Step 1: Write the proportion equation
120,635.68 : 180,768.99 = 64,483.77 : x - Step 2: Convert to fraction form
120,635.68/180,768.99 = 64,483.77/x - Step 3: Cross multiply
120,635.68x = 180,768.99 × 64,483.77 - Step 4: Simplify right side
120,635.68x = 11,656,666,204.22 - Step 5: Solve for x
x = 11,656,666,204.22/120,635.68 - Step 6: Final answer
x = 96,627.02
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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.