Finding the Fourth Proportional to 307,207.63, 423,955.52 and 179,871.31
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Solution
The fourth proportional to 307,207.63, 423,955.52 and 179,871.31 is: 248,227.67
Step by Step Solution
- Step 1: Write the proportion equation
307,207.63 : 423,955.52 = 179,871.31 : x - Step 2: Convert to fraction form
307,207.63/423,955.52 = 179,871.31/x - Step 3: Cross multiply
307,207.63x = 423,955.52 × 179,871.31 - Step 4: Simplify right side
307,207.63x = 76,257,434,764.13 - Step 5: Solve for x
x = 76,257,434,764.13/307,207.63 - Step 6: Final answer
x = 248,227.67
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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.