Finding the Fourth Proportional to 245,614.62, 368,421.90 and 68,121.63
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Solution
The fourth proportional to 245,614.62, 368,421.90 and 68,121.63 is: 102,182.44
Step by Step Solution
- Step 1: Write the proportion equation
245,614.62 : 368,421.90 = 68,121.63 : x - Step 2: Convert to fraction form
245,614.62/368,421.90 = 68,121.63/x - Step 3: Cross multiply
245,614.62x = 368,421.90 × 68,121.63 - Step 4: Simplify right side
245,614.62x = 25,097,500,355.70 - Step 5: Solve for x
x = 25,097,500,355.70/245,614.62 - Step 6: Final answer
x = 102,182.44
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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.