Finding the Fourth Proportional to 162,758.70, 244,138.05 and 106,953.75
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Solution
The fourth proportional to 162,758.70, 244,138.05 and 106,953.75 is: 160,430.63
Step by Step Solution
- Step 1: Write the proportion equation
162,758.70 : 244,138.05 = 106,953.75 : x - Step 2: Convert to fraction form
162,758.70/244,138.05 = 106,953.75/x - Step 3: Cross multiply
162,758.70x = 244,138.05 × 106,953.75 - Step 4: Simplify right side
162,758.70x = 26,111,479,965.19 - Step 5: Solve for x
x = 26,111,479,965.19/162,758.70 - Step 6: Final answer
x = 160,430.63
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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.