Finding the Fourth Proportional to 326,292.36, 450,371.52 and 213,112.68
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Solution
The fourth proportional to 326,292.36, 450,371.52 and 213,112.68 is: 294,153.02
Step by Step Solution
- Step 1: Write the proportion equation
326,292.36 : 450,371.52 = 213,112.68 : x - Step 2: Convert to fraction form
326,292.36/450,371.52 = 213,112.68/x - Step 3: Cross multiply
326,292.36x = 450,371.52 × 213,112.68 - Step 4: Simplify right side
326,292.36x = 95,979,881,622.87 - Step 5: Solve for x
x = 95,979,881,622.87/326,292.36 - Step 6: Final answer
x = 294,153.02
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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.