Finding the Fourth Proportional to 120,292.83, 180,437.36 and 41,407.74
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Solution
The fourth proportional to 120,292.83, 180,437.36 and 41,407.74 is: 62,110.96
Step by Step Solution
- Step 1: Write the proportion equation
120,292.83 : 180,437.36 = 41,407.74 : x - Step 2: Convert to fraction form
120,292.83/180,437.36 = 41,407.74/x - Step 3: Cross multiply
120,292.83x = 180,437.36 × 41,407.74 - Step 4: Simplify right side
120,292.83x = 7,471,503,082.13 - Step 5: Solve for x
x = 7,471,503,082.13/120,292.83 - Step 6: Final answer
x = 62,110.96
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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.