Finding the Fourth Proportional to 351,536.68, 485,120.42 and 190,391.70
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Solution
The fourth proportional to 351,536.68, 485,120.42 and 190,391.70 is: 262,740.44
Step by Step Solution
- Step 1: Write the proportion equation
351,536.68 : 485,120.42 = 190,391.70 : x - Step 2: Convert to fraction form
351,536.68/485,120.42 = 190,391.70/x - Step 3: Cross multiply
351,536.68x = 485,120.42 × 190,391.70 - Step 4: Simplify right side
351,536.68x = 92,362,901,468.51 - Step 5: Solve for x
x = 92,362,901,468.51/351,536.68 - Step 6: Final answer
x = 262,740.44
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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.