Finding the Fourth Proportional to 351,678.44, 485,316.36 and 190,534.60
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Solution
The fourth proportional to 351,678.44, 485,316.36 and 190,534.60 is: 262,937.81
Step by Step Solution
- Step 1: Write the proportion equation
351,678.44 : 485,316.36 = 190,534.60 : x - Step 2: Convert to fraction form
351,678.44/485,316.36 = 190,534.60/x - Step 3: Cross multiply
351,678.44x = 485,316.36 × 190,534.60 - Step 4: Simplify right side
351,678.44x = 92,469,558,526.06 - Step 5: Solve for x
x = 92,469,558,526.06/351,678.44 - Step 6: Final answer
x = 262,937.81
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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.