Finding the Fourth Proportional to 442,880.70, 664,407.45 and 190,160.70
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Solution
The fourth proportional to 442,880.70, 664,407.45 and 190,160.70 is: 285,278.15
Step by Step Solution
- Step 1: Write the proportion equation
442,880.70 : 664,407.45 = 190,160.70 : x - Step 2: Convert to fraction form
442,880.70/664,407.45 = 190,160.70/x - Step 3: Cross multiply
442,880.70x = 664,407.45 × 190,160.70 - Step 4: Simplify right side
442,880.70x = 126,344,185,777.22 - Step 5: Solve for x
x = 126,344,185,777.22/442,880.70 - Step 6: Final answer
x = 285,278.15
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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.