Finding the Fourth Proportional to 411,121.79, 567,352.28 and 229,843.79
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Solution
The fourth proportional to 411,121.79, 567,352.28 and 229,843.79 is: 317,186.78
Step by Step Solution
- Step 1: Write the proportion equation
411,121.79 : 567,352.28 = 229,843.79 : x - Step 2: Convert to fraction form
411,121.79/567,352.28 = 229,843.79/x - Step 3: Cross multiply
411,121.79x = 567,352.28 × 229,843.79 - Step 4: Simplify right side
411,121.79x = 130,402,396,038.19 - Step 5: Solve for x
x = 130,402,396,038.19/411,121.79 - Step 6: Final answer
x = 317,186.78
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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.