Finding the Fourth Proportional to 259,601.49, 389,383.79 and 70,072.65
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Solution
The fourth proportional to 259,601.49, 389,383.79 and 70,072.65 is: 105,103.99
Step by Step Solution
- Step 1: Write the proportion equation
259,601.49 : 389,383.79 = 70,072.65 : x - Step 2: Convert to fraction form
259,601.49/389,383.79 = 70,072.65/x - Step 3: Cross multiply
259,601.49x = 389,383.79 × 70,072.65 - Step 4: Simplify right side
259,601.49x = 27,285,153,681.98 - Step 5: Solve for x
x = 27,285,153,681.98/259,601.49 - Step 6: Final answer
x = 105,103.99
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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.