Finding the Fourth Proportional to 413,961.20, 571,215.27 and 239,561.31
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Solution
The fourth proportional to 413,961.20, 571,215.27 and 239,561.31 is: 330,564.99
Step by Step Solution
- Step 1: Write the proportion equation
413,961.20 : 571,215.27 = 239,561.31 : x - Step 2: Convert to fraction form
413,961.20/571,215.27 = 239,561.31/x - Step 3: Cross multiply
413,961.20x = 571,215.27 × 239,561.31 - Step 4: Simplify right side
413,961.20x = 136,841,081,413.62 - Step 5: Solve for x
x = 136,841,081,413.62/413,961.20 - Step 6: Final answer
x = 330,564.99
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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.