Finding the Fourth Proportional to 120,499.58, 180,559.22 and 97,899.99
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Solution
The fourth proportional to 120,499.58, 180,559.22 and 97,899.99 is: 146,695.50
Step by Step Solution
- Step 1: Write the proportion equation
120,499.58 : 180,559.22 = 97,899.99 : x - Step 2: Convert to fraction form
120,499.58/180,559.22 = 97,899.99/x - Step 3: Cross multiply
120,499.58x = 180,559.22 × 97,899.99 - Step 4: Simplify right side
120,499.58x = 17,676,745,342.91 - Step 5: Solve for x
x = 17,676,745,342.91/120,499.58 - Step 6: Final answer
x = 146,695.50
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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.