Finding the Fourth Proportional to 320,137.46, 480,065.49 and 170,342.14
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Solution
The fourth proportional to 320,137.46, 480,065.49 and 170,342.14 is: 255,438.34
Step by Step Solution
- Step 1: Write the proportion equation
320,137.46 : 480,065.49 = 170,342.14 : x - Step 2: Convert to fraction form
320,137.46/480,065.49 = 170,342.14/x - Step 3: Cross multiply
320,137.46x = 480,065.49 × 170,342.14 - Step 4: Simplify right side
320,137.46x = 81,775,382,812.24 - Step 5: Solve for x
x = 81,775,382,812.24/320,137.46 - Step 6: Final answer
x = 255,438.34
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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.