Finding the Fourth Proportional to 421,052.52, 581,051.88 and 239,764.49
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Solution
The fourth proportional to 421,052.52, 581,051.88 and 239,764.49 is: 330,874.66
Step by Step Solution
- Step 1: Write the proportion equation
421,052.52 : 581,051.88 = 239,764.49 : x - Step 2: Convert to fraction form
421,052.52/581,051.88 = 239,764.49/x - Step 3: Cross multiply
421,052.52x = 581,051.88 × 239,764.49 - Step 4: Simplify right side
421,052.52x = 139,315,609,396.73 - Step 5: Solve for x
x = 139,315,609,396.73/421,052.52 - Step 6: Final answer
x = 330,874.66
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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.