Finding the Fourth Proportional to 195,753.56, 293,632.05 and 77,424.87
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Solution
The fourth proportional to 195,753.56, 293,632.05 and 77,424.87 is: 116,137.99
Step by Step Solution
- Step 1: Write the proportion equation
195,753.56 : 293,632.05 = 77,424.87 : x - Step 2: Convert to fraction form
195,753.56/293,632.05 = 77,424.87/x - Step 3: Cross multiply
195,753.56x = 293,632.05 × 77,424.87 - Step 4: Simplify right side
195,753.56x = 22,734,424,690.55 - Step 5: Solve for x
x = 22,734,424,690.55/195,753.56 - Step 6: Final answer
x = 116,137.99
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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.