Finding the Fourth Proportional to 343,739.49, 474,353.36 and 190,768.80
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Solution
The fourth proportional to 343,739.49, 474,353.36 and 190,768.80 is: 263,256.98
Step by Step Solution
- Step 1: Write the proportion equation
343,739.49 : 474,353.36 = 190,768.80 : x - Step 2: Convert to fraction form
343,739.49/474,353.36 = 190,768.80/x - Step 3: Cross multiply
343,739.49x = 474,353.36 × 190,768.80 - Step 4: Simplify right side
343,739.49x = 90,491,821,263.17 - Step 5: Solve for x
x = 90,491,821,263.17/343,739.49 - Step 6: Final answer
x = 263,256.98
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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.