Finding the Fourth Proportional to 343,740.09, 474,354.18 and 190,769.39
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Solution
The fourth proportional to 343,740.09, 474,354.18 and 190,769.39 is: 263,257.80
Step by Step Solution
- Step 1: Write the proportion equation
343,740.09 : 474,354.18 = 190,769.39 : x - Step 2: Convert to fraction form
343,740.09/474,354.18 = 190,769.39/x - Step 3: Cross multiply
343,740.09x = 474,354.18 × 190,769.39 - Step 4: Simplify right side
343,740.09x = 90,492,257,562.55 - Step 5: Solve for x
x = 90,492,257,562.55/343,740.09 - Step 6: Final answer
x = 263,257.80
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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.