Finding the Fourth Proportional to 387,620.44, 581,518.40 and 134,912.84
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Solution
The fourth proportional to 387,620.44, 581,518.40 and 134,912.84 is: 202,399.80
Step by Step Solution
- Step 1: Write the proportion equation
387,620.44 : 581,518.40 = 134,912.84 : x - Step 2: Convert to fraction form
387,620.44/581,518.40 = 134,912.84/x - Step 3: Cross multiply
387,620.44x = 581,518.40 × 134,912.84 - Step 4: Simplify right side
387,620.44x = 78,454,298,856.26 - Step 5: Solve for x
x = 78,454,298,856.26/387,620.44 - Step 6: Final answer
x = 202,399.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.