Finding the Fourth Proportional to 119,295.96, 178,943.97 and 56,069.66
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Solution
The fourth proportional to 119,295.96, 178,943.97 and 56,069.66 is: 84,104.50
Step by Step Solution
- Step 1: Write the proportion equation
119,295.96 : 178,943.97 = 56,069.66 : x - Step 2: Convert to fraction form
119,295.96/178,943.97 = 56,069.66/x - Step 3: Cross multiply
119,295.96x = 178,943.97 × 56,069.66 - Step 4: Simplify right side
119,295.96x = 10,033,326,662.23 - Step 5: Solve for x
x = 10,033,326,662.23/119,295.96 - Step 6: Final answer
x = 84,104.50
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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.