Finding the Fourth Proportional to 285,698.08, 428,566.80 and 119,486.08
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Solution
The fourth proportional to 285,698.08, 428,566.80 and 119,486.08 is: 179,237.35
Step by Step Solution
- Step 1: Write the proportion equation
285,698.08 : 428,566.80 = 119,486.08 : x - Step 2: Convert to fraction form
285,698.08/428,566.80 = 119,486.08/x - Step 3: Cross multiply
285,698.08x = 428,566.80 × 119,486.08 - Step 4: Simplify right side
285,698.08x = 51,207,766,950.14 - Step 5: Solve for x
x = 51,207,766,950.14/285,698.08 - Step 6: Final answer
x = 179,237.35
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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.