Finding the Fourth Proportional to 364,585.80, 547,202.70 and 214,638.60
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Solution
The fourth proportional to 364,585.80, 547,202.70 and 214,638.60 is: 322,148.64
Step by Step Solution
- Step 1: Write the proportion equation
364,585.80 : 547,202.70 = 214,638.60 : x - Step 2: Convert to fraction form
364,585.80/547,202.70 = 214,638.60/x - Step 3: Cross multiply
364,585.80x = 547,202.70 × 214,638.60 - Step 4: Simplify right side
364,585.80x = 117,450,821,444.22 - Step 5: Solve for x
x = 117,450,821,444.22/364,585.80 - Step 6: Final answer
x = 322,148.64
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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.