Finding the Fourth Proportional to 492,262.70, 738,175.35 and 192,643.70
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Solution
The fourth proportional to 492,262.70, 738,175.35 and 192,643.70 is: 288,879.96
Step by Step Solution
- Step 1: Write the proportion equation
492,262.70 : 738,175.35 = 192,643.70 : x - Step 2: Convert to fraction form
492,262.70/738,175.35 = 192,643.70/x - Step 3: Cross multiply
492,262.70x = 738,175.35 × 192,643.70 - Step 4: Simplify right side
492,262.70x = 142,204,830,672.80 - Step 5: Solve for x
x = 142,204,830,672.80/492,262.70 - Step 6: Final answer
x = 288,879.96
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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.