Finding the Fourth Proportional to 474,542.76, 654,804.26 and 283,515.56
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Solution
The fourth proportional to 474,542.76, 654,804.26 and 283,515.56 is: 391,212.79
Step by Step Solution
- Step 1: Write the proportion equation
474,542.76 : 654,804.26 = 283,515.56 : x - Step 2: Convert to fraction form
474,542.76/654,804.26 = 283,515.56/x - Step 3: Cross multiply
474,542.76x = 654,804.26 × 283,515.56 - Step 4: Simplify right side
474,542.76x = 185,647,196,464.29 - Step 5: Solve for x
x = 185,647,196,464.29/474,542.76 - Step 6: Final answer
x = 391,212.79
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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.