Finding the Fourth Proportional to 257,884.44, 386,808.41 and 68,340.62
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Solution
The fourth proportional to 257,884.44, 386,808.41 and 68,340.62 is: 102,506.08
Step by Step Solution
- Step 1: Write the proportion equation
257,884.44 : 386,808.41 = 68,340.62 : x - Step 2: Convert to fraction form
257,884.44/386,808.41 = 68,340.62/x - Step 3: Cross multiply
257,884.44x = 386,808.41 × 68,340.62 - Step 4: Simplify right side
257,884.44x = 26,434,724,284.87 - Step 5: Solve for x
x = 26,434,724,284.87/257,884.44 - Step 6: Final answer
x = 102,506.08
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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.