Finding the Fourth Proportional to 239,225.39, 329,676.79 and 171,124.09
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Solution
The fourth proportional to 239,225.39, 329,676.79 and 171,124.09 is: 235,826.31
Step by Step Solution
- Step 1: Write the proportion equation
239,225.39 : 329,676.79 = 171,124.09 : x - Step 2: Convert to fraction form
239,225.39/329,676.79 = 171,124.09/x - Step 3: Cross multiply
239,225.39x = 329,676.79 × 171,124.09 - Step 4: Simplify right side
239,225.39x = 56,415,640,682.87 - Step 5: Solve for x
x = 56,415,640,682.87/239,225.39 - Step 6: Final answer
x = 235,826.31
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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.