Finding the Fourth Proportional to 383,948.80, 529,837.44 and 214,211.68
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Solution
The fourth proportional to 383,948.80, 529,837.44 and 214,211.68 is: 295,605.48
Step by Step Solution
- Step 1: Write the proportion equation
383,948.80 : 529,837.44 = 214,211.68 : x - Step 2: Convert to fraction form
383,948.80/529,837.44 = 214,211.68/x - Step 3: Cross multiply
383,948.80x = 529,837.44 × 214,211.68 - Step 4: Simplify right side
383,948.80x = 113,497,368,149.30 - Step 5: Solve for x
x = 113,497,368,149.30/383,948.80 - Step 6: Final answer
x = 295,605.48
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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.