Finding the Fourth Proportional to 194,791.80, 292,187.70 and 142,303.80
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Solution
The fourth proportional to 194,791.80, 292,187.70 and 142,303.80 is: 213,455.70
Step by Step Solution
- Step 1: Write the proportion equation
194,791.80 : 292,187.70 = 142,303.80 : x - Step 2: Convert to fraction form
194,791.80/292,187.70 = 142,303.80/x - Step 3: Cross multiply
194,791.80x = 292,187.70 × 142,303.80 - Step 4: Simplify right side
194,791.80x = 41,579,420,023.26 - Step 5: Solve for x
x = 41,579,420,023.26/194,791.80 - Step 6: Final answer
x = 213,455.70
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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.