Finding the Fourth Proportional to 343,769.64, 474,430.68 and 190,822.20
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Solution
The fourth proportional to 343,769.64, 474,430.68 and 190,822.20 is: 263,350.50
Step by Step Solution
- Step 1: Write the proportion equation
343,769.64 : 474,430.68 = 190,822.20 : x - Step 2: Convert to fraction form
343,769.64/474,430.68 = 190,822.20/x - Step 3: Cross multiply
343,769.64x = 474,430.68 × 190,822.20 - Step 4: Simplify right side
343,769.64x = 90,531,906,105.10 - Step 5: Solve for x
x = 90,531,906,105.10/343,769.64 - Step 6: Final answer
x = 263,350.50
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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.