Finding the Fourth Proportional to 195,226.73, 292,912.99 and 76,980.50
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Solution
The fourth proportional to 195,226.73, 292,912.99 and 76,980.50 is: 115,499.49
Step by Step Solution
- Step 1: Write the proportion equation
195,226.73 : 292,912.99 = 76,980.50 : x - Step 2: Convert to fraction form
195,226.73/292,912.99 = 76,980.50/x - Step 3: Cross multiply
195,226.73x = 292,912.99 × 76,980.50 - Step 4: Simplify right side
195,226.73x = 22,548,588,426.70 - Step 5: Solve for x
x = 22,548,588,426.70/195,226.73 - Step 6: Final answer
x = 115,499.49
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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.