Finding the Fourth Proportional to 248,382.91, 342,583.59 and 157,660.08
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Solution
The fourth proportional to 248,382.91, 342,583.59 and 157,660.08 is: 217,453.59
Step by Step Solution
- Step 1: Write the proportion equation
248,382.91 : 342,583.59 = 157,660.08 : x - Step 2: Convert to fraction form
248,382.91/342,583.59 = 157,660.08/x - Step 3: Cross multiply
248,382.91x = 342,583.59 × 157,660.08 - Step 4: Simplify right side
248,382.91x = 54,011,756,206.09 - Step 5: Solve for x
x = 54,011,756,206.09/248,382.91 - Step 6: Final answer
x = 217,453.59
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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.