Finding the Fourth Proportional to 144,311.16, 199,212.63 and 110,321.08
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Solution
The fourth proportional to 144,311.16, 199,212.63 and 110,321.08 is: 152,291.43
Step by Step Solution
- Step 1: Write the proportion equation
144,311.16 : 199,212.63 = 110,321.08 : x - Step 2: Convert to fraction form
144,311.16/199,212.63 = 110,321.08/x - Step 3: Cross multiply
144,311.16x = 199,212.63 × 110,321.08 - Step 4: Simplify right side
144,311.16x = 21,977,352,491.24 - Step 5: Solve for x
x = 21,977,352,491.24/144,311.16 - Step 6: Final answer
x = 152,291.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.