Finding the Fourth Proportional to 150,327.19, 207,443.49 and 82,340.65
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Solution
The fourth proportional to 150,327.19, 207,443.49 and 82,340.65 is: 113,625.70
Step by Step Solution
- Step 1: Write the proportion equation
150,327.19 : 207,443.49 = 82,340.65 : x - Step 2: Convert to fraction form
150,327.19/207,443.49 = 82,340.65/x - Step 3: Cross multiply
150,327.19x = 207,443.49 × 82,340.65 - Step 4: Simplify right side
150,327.19x = 17,081,031,804.87 - Step 5: Solve for x
x = 17,081,031,804.87/150,327.19 - Step 6: Final answer
x = 113,625.70
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1.5x scale
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.