Finding the Fourth Proportional to 310,481.64, 465,390.86 and 177,074.68
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Solution
The fourth proportional to 310,481.64, 465,390.86 and 177,074.68 is: 265,422.90
Step by Step Solution
- Step 1: Write the proportion equation
310,481.64 : 465,390.86 = 177,074.68 : x - Step 2: Convert to fraction form
310,481.64/465,390.86 = 177,074.68/x - Step 3: Cross multiply
310,481.64x = 465,390.86 × 177,074.68 - Step 4: Simplify right side
310,481.64x = 82,408,937,609.42 - Step 5: Solve for x
x = 82,408,937,609.42/310,481.64 - Step 6: Final answer
x = 265,422.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.