Finding the Fourth Proportional to 120,403.07, 180,604.55 and 41,511.09
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Solution
The fourth proportional to 120,403.07, 180,604.55 and 41,511.09 is: 62,266.62
Step by Step Solution
- Step 1: Write the proportion equation
120,403.07 : 180,604.55 = 41,511.09 : x - Step 2: Convert to fraction form
120,403.07/180,604.55 = 41,511.09/x - Step 3: Cross multiply
120,403.07x = 180,604.55 × 41,511.09 - Step 4: Simplify right side
120,403.07x = 7,497,092,510.50 - Step 5: Solve for x
x = 7,497,092,510.50/120,403.07 - Step 6: Final answer
x = 62,266.62
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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.