Finding the Fourth Proportional to 190,247.97, 285,374.36 and 57,120.49
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Solution
The fourth proportional to 190,247.97, 285,374.36 and 57,120.49 is: 85,681.46
Step by Step Solution
- Step 1: Write the proportion equation
190,247.97 : 285,374.36 = 57,120.49 : x - Step 2: Convert to fraction form
190,247.97/285,374.36 = 57,120.49/x - Step 3: Cross multiply
190,247.97x = 285,374.36 × 57,120.49 - Step 4: Simplify right side
190,247.97x = 16,300,723,276.64 - Step 5: Solve for x
x = 16,300,723,276.64/190,247.97 - Step 6: Final answer
x = 85,681.46
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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.