Finding the Fourth Proportional to 328,292.39, 453,078.36 and 192,440.49
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Solution
The fourth proportional to 328,292.39, 453,078.36 and 192,440.49 is: 265,588.32
Step by Step Solution
- Step 1: Write the proportion equation
328,292.39 : 453,078.36 = 192,440.49 : x - Step 2: Convert to fraction form
328,292.39/453,078.36 = 192,440.49/x - Step 3: Cross multiply
328,292.39x = 453,078.36 × 192,440.49 - Step 4: Simplify right side
328,292.39x = 87,190,621,606.80 - Step 5: Solve for x
x = 87,190,621,606.80/328,292.39 - Step 6: Final answer
x = 265,588.32
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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.