Finding the Fourth Proportional to 261,569.41, 391,334.36 and 229,292.26
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Solution
The fourth proportional to 261,569.41, 391,334.36 and 229,292.26 is: 343,044.47
Step by Step Solution
- Step 1: Write the proportion equation
261,569.41 : 391,334.36 = 229,292.26 : x - Step 2: Convert to fraction form
261,569.41/391,334.36 = 229,292.26/x - Step 3: Cross multiply
261,569.41x = 391,334.36 × 229,292.26 - Step 4: Simplify right side
261,569.41x = 89,729,937,695.26 - Step 5: Solve for x
x = 89,729,937,695.26/261,569.41 - Step 6: Final answer
x = 343,044.47
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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.