Finding the Fourth Proportional to 359,454.24, 539,205.12 and 149,109.12
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Solution
The fourth proportional to 359,454.24, 539,205.12 and 149,109.12 is: 223,673.54
Step by Step Solution
- Step 1: Write the proportion equation
359,454.24 : 539,205.12 = 149,109.12 : x - Step 2: Convert to fraction form
359,454.24/539,205.12 = 149,109.12/x - Step 3: Cross multiply
359,454.24x = 539,205.12 × 149,109.12 - Step 4: Simplify right side
359,454.24x = 80,400,400,942.69 - Step 5: Solve for x
x = 80,400,400,942.69/359,454.24 - Step 6: Final answer
x = 223,673.54
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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.