Finding the Fourth Proportional to 120,273.08, 180,407.73 and 41,387.99
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Solution
The fourth proportional to 120,273.08, 180,407.73 and 41,387.99 is: 62,081.33
Step by Step Solution
- Step 1: Write the proportion equation
120,273.08 : 180,407.73 = 41,387.99 : x - Step 2: Convert to fraction form
120,273.08/180,407.73 = 41,387.99/x - Step 3: Cross multiply
120,273.08x = 180,407.73 × 41,387.99 - Step 4: Simplify right side
120,273.08x = 7,466,713,325.16 - Step 5: Solve for x
x = 7,466,713,325.16/120,273.08 - Step 6: Final answer
x = 62,081.33
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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.