Finding the Fourth Proportional to 397,861.58, 596,798.69 and 221,489.62
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Solution
The fourth proportional to 397,861.58, 596,798.69 and 221,489.62 is: 332,237.94
Step by Step Solution
- Step 1: Write the proportion equation
397,861.58 : 596,798.69 = 221,489.62 : x - Step 2: Convert to fraction form
397,861.58/596,798.69 = 221,489.62/x - Step 3: Cross multiply
397,861.58x = 596,798.69 × 221,489.62 - Step 4: Simplify right side
397,861.58x = 132,184,712,465.15 - Step 5: Solve for x
x = 132,184,712,465.15/397,861.58 - Step 6: Final answer
x = 332,237.94
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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.