Finding the Fourth Proportional to 383,538.24, 529,283.52 and 213,768.96
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Solution
The fourth proportional to 383,538.24, 529,283.52 and 213,768.96 is: 295,001.58
Step by Step Solution
- Step 1: Write the proportion equation
383,538.24 : 529,283.52 = 213,768.96 : x - Step 2: Convert to fraction form
383,538.24/529,283.52 = 213,768.96/x - Step 3: Cross multiply
383,538.24x = 529,283.52 × 213,768.96 - Step 4: Simplify right side
383,538.24x = 113,144,387,615.54 - Step 5: Solve for x
x = 113,144,387,615.54/383,538.24 - Step 6: Final answer
x = 295,001.58
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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.