Finding the Fourth Proportional to 236,474.10, 326,335.16 and 129,046.50
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Solution
The fourth proportional to 236,474.10, 326,335.16 and 129,046.50 is: 178,084.66
Step by Step Solution
- Step 1: Write the proportion equation
236,474.10 : 326,335.16 = 129,046.50 : x - Step 2: Convert to fraction form
236,474.10/326,335.16 = 129,046.50/x - Step 3: Cross multiply
236,474.10x = 326,335.16 × 129,046.50 - Step 4: Simplify right side
236,474.10x = 42,112,410,547.56 - Step 5: Solve for x
x = 42,112,410,547.56/236,474.10 - Step 6: Final answer
x = 178,084.66
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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.