Finding the Fourth Proportional to 323,886.68, 446,624.44 and 278,717.84
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Solution
The fourth proportional to 323,886.68, 446,624.44 and 278,717.84 is: 384,338.74
Step by Step Solution
- Step 1: Write the proportion equation
323,886.68 : 446,624.44 = 278,717.84 : x - Step 2: Convert to fraction form
323,886.68/446,624.44 = 278,717.84/x - Step 3: Cross multiply
323,886.68x = 446,624.44 × 278,717.84 - Step 4: Simplify right side
323,886.68x = 124,482,199,208.01 - Step 5: Solve for x
x = 124,482,199,208.01/323,886.68 - Step 6: Final answer
x = 384,338.74
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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.