Finding the Fourth Proportional to 383,529.96, 529,273.80 and 213,774.84
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Solution
The fourth proportional to 383,529.96, 529,273.80 and 213,774.84 is: 295,010.65
Step by Step Solution
- Step 1: Write the proportion equation
383,529.96 : 529,273.80 = 213,774.84 : x - Step 2: Convert to fraction form
383,529.96/529,273.80 = 213,774.84/x - Step 3: Cross multiply
383,529.96x = 529,273.80 × 213,774.84 - Step 4: Simplify right side
383,529.96x = 113,145,421,911.19 - Step 5: Solve for x
x = 113,145,421,911.19/383,529.96 - Step 6: Final answer
x = 295,010.65
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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.