Finding the Fourth Proportional to 420,352.84, 580,086.93 and 269,449.84
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Solution
The fourth proportional to 420,352.84, 580,086.93 and 269,449.84 is: 371,840.79
Step by Step Solution
- Step 1: Write the proportion equation
420,352.84 : 580,086.93 = 269,449.84 : x - Step 2: Convert to fraction form
420,352.84/580,086.93 = 269,449.84/x - Step 3: Cross multiply
420,352.84x = 580,086.93 × 269,449.84 - Step 4: Simplify right side
420,352.84x = 156,304,330,474.59 - Step 5: Solve for x
x = 156,304,330,474.59/420,352.84 - Step 6: Final answer
x = 371,840.79
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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.