Finding the Fourth Proportional to 331,358.07, 457,252.35 and 195,385.44
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Solution
The fourth proportional to 331,358.07, 457,252.35 and 195,385.44 is: 269,619.06
Step by Step Solution
- Step 1: Write the proportion equation
331,358.07 : 457,252.35 = 195,385.44 : x - Step 2: Convert to fraction form
331,358.07/457,252.35 = 195,385.44/x - Step 3: Cross multiply
331,358.07x = 457,252.35 × 195,385.44 - Step 4: Simplify right side
331,358.07x = 89,340,451,595.78 - Step 5: Solve for x
x = 89,340,451,595.78/331,358.07 - Step 6: Final answer
x = 269,619.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.