Finding the Fourth Proportional to 306,576.09, 423,010.35 and 179,227.08
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Solution
The fourth proportional to 306,576.09, 423,010.35 and 179,227.08 is: 247,295.57
Step by Step Solution
- Step 1: Write the proportion equation
306,576.09 : 423,010.35 = 179,227.08 : x - Step 2: Convert to fraction form
306,576.09/423,010.35 = 179,227.08/x - Step 3: Cross multiply
306,576.09x = 423,010.35 × 179,227.08 - Step 4: Simplify right side
306,576.09x = 75,814,909,840.28 - Step 5: Solve for x
x = 75,814,909,840.28/306,576.09 - Step 6: Final answer
x = 247,295.57
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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.