Finding the Fourth Proportional to 408,284.58, 612,551.36 and 208,745.08
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Solution
The fourth proportional to 408,284.58, 612,551.36 and 208,745.08 is: 313,181.27
Step by Step Solution
- Step 1: Write the proportion equation
408,284.58 : 612,551.36 = 208,745.08 : x - Step 2: Convert to fraction form
408,284.58/612,551.36 = 208,745.08/x - Step 3: Cross multiply
408,284.58x = 612,551.36 × 208,745.08 - Step 4: Simplify right side
408,284.58x = 127,867,082,647.31 - Step 5: Solve for x
x = 127,867,082,647.31/408,284.58 - Step 6: Final answer
x = 313,181.27
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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.