Finding the Fourth Proportional to 236,481.99, 326,352.06 and 129,058.92
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Solution
The fourth proportional to 236,481.99, 326,352.06 and 129,058.92 is: 178,105.08
Step by Step Solution
- Step 1: Write the proportion equation
236,481.99 : 326,352.06 = 129,058.92 : x - Step 2: Convert to fraction form
236,481.99/326,352.06 = 129,058.92/x - Step 3: Cross multiply
236,481.99x = 326,352.06 × 129,058.92 - Step 4: Simplify right side
236,481.99x = 42,118,644,403.38 - Step 5: Solve for x
x = 42,118,644,403.38/236,481.99 - Step 6: Final answer
x = 178,105.08
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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.