Finding the Fourth Proportional to 463,379.70, 639,433.08 and 259,396.14
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Solution
The fourth proportional to 463,379.70, 639,433.08 and 259,396.14 is: 357,949.37
Step by Step Solution
- Step 1: Write the proportion equation
463,379.70 : 639,433.08 = 259,396.14 : x - Step 2: Convert to fraction form
463,379.70/639,433.08 = 259,396.14/x - Step 3: Cross multiply
463,379.70x = 639,433.08 × 259,396.14 - Step 4: Simplify right side
463,379.70x = 165,866,472,740.31 - Step 5: Solve for x
x = 165,866,472,740.31/463,379.70 - Step 6: Final answer
x = 357,949.37
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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.