Finding the Fourth Proportional to 239,790.54, 330,887.36 and 132,353.63
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Solution
The fourth proportional to 239,790.54, 330,887.36 and 132,353.63 is: 182,634.99
Step by Step Solution
- Step 1: Write the proportion equation
239,790.54 : 330,887.36 = 132,353.63 : x - Step 2: Convert to fraction form
239,790.54/330,887.36 = 132,353.63/x - Step 3: Cross multiply
239,790.54x = 330,887.36 × 132,353.63 - Step 4: Simplify right side
239,790.54x = 43,794,143,134.39 - Step 5: Solve for x
x = 43,794,143,134.39/239,790.54 - Step 6: Final answer
x = 182,634.99
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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.