Finding the Fourth Proportional to 512,246.08, 768,406.25 and 196,702.99
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Solution
The fourth proportional to 512,246.08, 768,406.25 and 196,702.99 is: 295,068.74
Step by Step Solution
- Step 1: Write the proportion equation
512,246.08 : 768,406.25 = 196,702.99 : x - Step 2: Convert to fraction form
512,246.08/768,406.25 = 196,702.99/x - Step 3: Cross multiply
512,246.08x = 768,406.25 × 196,702.99 - Step 4: Simplify right side
512,246.08x = 151,147,805,480.43 - Step 5: Solve for x
x = 151,147,805,480.43/512,246.08 - Step 6: Final answer
x = 295,068.74
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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.