Finding the Fourth Proportional to 79,449.24, 119,174.07 and 19,477.99
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Solution
The fourth proportional to 79,449.24, 119,174.07 and 19,477.99 is: 29,217.03
Step by Step Solution
- Step 1: Write the proportion equation
79,449.24 : 119,174.07 = 19,477.99 : x - Step 2: Convert to fraction form
79,449.24/119,174.07 = 19,477.99/x - Step 3: Cross multiply
79,449.24x = 119,174.07 × 19,477.99 - Step 4: Simplify right side
79,449.24x = 2,321,270,785.81 - Step 5: Solve for x
x = 2,321,270,785.81/79,449.24 - Step 6: Final answer
x = 29,217.03
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1.5x scale
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.