Finding the Fourth Proportional to 484,708.24, 668,817.60 and 269,842.84
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Solution
The fourth proportional to 484,708.24, 668,817.60 and 269,842.84 is: 372,338.71
Step by Step Solution
- Step 1: Write the proportion equation
484,708.24 : 668,817.60 = 269,842.84 : x - Step 2: Convert to fraction form
484,708.24/668,817.60 = 269,842.84/x - Step 3: Cross multiply
484,708.24x = 668,817.60 × 269,842.84 - Step 4: Simplify right side
484,708.24x = 180,475,640,625.98 - Step 5: Solve for x
x = 180,475,640,625.98/484,708.24 - Step 6: Final answer
x = 372,338.71
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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.