Finding the Fourth Proportional to 229,832.24, 317,176.08 and 139,205.12
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Solution
The fourth proportional to 229,832.24, 317,176.08 and 139,205.12 is: 192,107.66
Step by Step Solution
- Step 1: Write the proportion equation
229,832.24 : 317,176.08 = 139,205.12 : x - Step 2: Convert to fraction form
229,832.24/317,176.08 = 139,205.12/x - Step 3: Cross multiply
229,832.24x = 317,176.08 × 139,205.12 - Step 4: Simplify right side
229,832.24x = 44,152,534,277.53 - Step 5: Solve for x
x = 44,152,534,277.53/229,832.24 - Step 6: Final answer
x = 192,107.66
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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.