Finding the Fourth Proportional to 355,266.40, 490,253.44 and 202,325.44
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Solution
The fourth proportional to 355,266.40, 490,253.44 and 202,325.44 is: 279,201.02
Step by Step Solution
- Step 1: Write the proportion equation
355,266.40 : 490,253.44 = 202,325.44 : x - Step 2: Convert to fraction form
355,266.40/490,253.44 = 202,325.44/x - Step 3: Cross multiply
355,266.40x = 490,253.44 × 202,325.44 - Step 4: Simplify right side
355,266.40x = 99,190,742,959.51 - Step 5: Solve for x
x = 99,190,742,959.51/355,266.40 - Step 6: Final answer
x = 279,201.02
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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.