Finding the Fourth Proportional to 94,805.25, 142,231.28 and 28,245.12
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Solution
The fourth proportional to 94,805.25, 142,231.28 and 28,245.12 is: 42,374.65
Step by Step Solution
- Step 1: Write the proportion equation
94,805.25 : 142,231.28 = 28,245.12 : x - Step 2: Convert to fraction form
94,805.25/142,231.28 = 28,245.12/x - Step 3: Cross multiply
94,805.25x = 142,231.28 × 28,245.12 - Step 4: Simplify right side
94,805.25x = 4,017,339,430.13 - Step 5: Solve for x
x = 4,017,339,430.13/94,805.25 - Step 6: Final answer
x = 42,374.65
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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.