Finding the Fourth Proportional to 228,284.32, 342,201.84 and 133,394.08
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Solution
The fourth proportional to 228,284.32, 342,201.84 and 133,394.08 is: 199,959.86
Step by Step Solution
- Step 1: Write the proportion equation
228,284.32 : 342,201.84 = 133,394.08 : x - Step 2: Convert to fraction form
228,284.32/342,201.84 = 133,394.08/x - Step 3: Cross multiply
228,284.32x = 342,201.84 × 133,394.08 - Step 4: Simplify right side
228,284.32x = 45,647,699,621.11 - Step 5: Solve for x
x = 45,647,699,621.11/228,284.32 - Step 6: Final answer
x = 199,959.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.