Finding the Fourth Proportional to 322,593.12, 483,531.12 and 243,450.72
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Solution
The fourth proportional to 322,593.12, 483,531.12 and 243,450.72 is: 364,905.49
Step by Step Solution
- Step 1: Write the proportion equation
322,593.12 : 483,531.12 = 243,450.72 : x - Step 2: Convert to fraction form
322,593.12/483,531.12 = 243,450.72/x - Step 3: Cross multiply
322,593.12x = 483,531.12 × 243,450.72 - Step 4: Simplify right side
322,593.12x = 117,715,999,306.41 - Step 5: Solve for x
x = 117,715,999,306.41/322,593.12 - Step 6: Final answer
x = 364,905.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.