Finding the Fourth Proportional to 411,079.14, 567,277.29 and 229,791.42
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Solution
The fourth proportional to 411,079.14, 567,277.29 and 229,791.42 is: 317,105.49
Step by Step Solution
- Step 1: Write the proportion equation
411,079.14 : 567,277.29 = 229,791.42 : x - Step 2: Convert to fraction form
411,079.14/567,277.29 = 229,791.42/x - Step 3: Cross multiply
411,079.14x = 567,277.29 × 229,791.42 - Step 4: Simplify right side
411,079.14x = 130,355,454,002.85 - Step 5: Solve for x
x = 130,355,454,002.85/411,079.14 - Step 6: Final answer
x = 317,105.49
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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.