Finding the Fourth Proportional to 371,267.32, 555,958.92 and 311,137.68
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Solution
The fourth proportional to 371,267.32, 555,958.92 and 311,137.68 is: 465,917.03
Step by Step Solution
- Step 1: Write the proportion equation
371,267.32 : 555,958.92 = 311,137.68 : x - Step 2: Convert to fraction form
371,267.32/555,958.92 = 311,137.68/x - Step 3: Cross multiply
371,267.32x = 555,958.92 × 311,137.68 - Step 4: Simplify right side
371,267.32x = 172,979,768,544.11 - Step 5: Solve for x
x = 172,979,768,544.11/371,267.32 - Step 6: Final answer
x = 465,917.03
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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.