Finding the Fourth Proportional to 280,313.73, 420,525.99 and 102,822.39
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Solution
The fourth proportional to 280,313.73, 420,525.99 and 102,822.39 is: 154,253.90
Step by Step Solution
- Step 1: Write the proportion equation
280,313.73 : 420,525.99 = 102,822.39 : x - Step 2: Convert to fraction form
280,313.73/420,525.99 = 102,822.39/x - Step 3: Cross multiply
280,313.73x = 420,525.99 × 102,822.39 - Step 4: Simplify right side
280,313.73x = 43,239,487,348.92 - Step 5: Solve for x
x = 43,239,487,348.92/280,313.73 - Step 6: Final answer
x = 154,253.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.