Finding the Fourth Proportional to 326,312.06, 450,451.95 and 305,884.94
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Solution
The fourth proportional to 326,312.06, 450,451.95 and 305,884.94 is: 422,253.68
Step by Step Solution
- Step 1: Write the proportion equation
326,312.06 : 450,451.95 = 305,884.94 : x - Step 2: Convert to fraction form
326,312.06/450,451.95 = 305,884.94/x - Step 3: Cross multiply
326,312.06x = 450,451.95 × 305,884.94 - Step 4: Simplify right side
326,312.06x = 137,786,467,698.63 - Step 5: Solve for x
x = 137,786,467,698.63/326,312.06 - Step 6: Final answer
x = 422,253.68
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1.5x scale
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.