Finding the Fourth Proportional to 165,974.24, 229,235.52 and 120,853.92
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Solution
The fourth proportional to 165,974.24, 229,235.52 and 120,853.92 is: 166,917.54
Step by Step Solution
- Step 1: Write the proportion equation
165,974.24 : 229,235.52 = 120,853.92 : x - Step 2: Convert to fraction form
165,974.24/229,235.52 = 120,853.92/x - Step 3: Cross multiply
165,974.24x = 229,235.52 × 120,853.92 - Step 4: Simplify right side
165,974.24x = 27,704,011,195.24 - Step 5: Solve for x
x = 27,704,011,195.24/165,974.24 - Step 6: Final answer
x = 166,917.54
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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.