Finding the Fourth Proportional to 217,450.08, 299,953.68 and 136,749.60
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Solution
The fourth proportional to 217,450.08, 299,953.68 and 136,749.60 is: 188,634.31
Step by Step Solution
- Step 1: Write the proportion equation
217,450.08 : 299,953.68 = 136,749.60 : x - Step 2: Convert to fraction form
217,450.08/299,953.68 = 136,749.60/x - Step 3: Cross multiply
217,450.08x = 299,953.68 × 136,749.60 - Step 4: Simplify right side
217,450.08x = 41,018,545,758.53 - Step 5: Solve for x
x = 41,018,545,758.53/217,450.08 - Step 6: Final answer
x = 188,634.31
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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.