Finding the Fourth Proportional to 236,765.36, 326,730.84 and 129,335.88
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Solution
The fourth proportional to 236,765.36, 326,730.84 and 129,335.88 is: 178,480.59
Step by Step Solution
- Step 1: Write the proportion equation
236,765.36 : 326,730.84 = 129,335.88 : x - Step 2: Convert to fraction form
236,765.36/326,730.84 = 129,335.88/x - Step 3: Cross multiply
236,765.36x = 326,730.84 × 129,335.88 - Step 4: Simplify right side
236,765.36x = 42,258,020,714.54 - Step 5: Solve for x
x = 42,258,020,714.54/236,765.36 - Step 6: Final answer
x = 178,480.59
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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.