Finding the Fourth Proportional to 163,339.99, 225,393.78 and 91,706.02
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Solution
The fourth proportional to 163,339.99, 225,393.78 and 91,706.02 is: 126,545.66
Step by Step Solution
- Step 1: Write the proportion equation
163,339.99 : 225,393.78 = 91,706.02 : x - Step 2: Convert to fraction form
163,339.99/225,393.78 = 91,706.02/x - Step 3: Cross multiply
163,339.99x = 225,393.78 × 91,706.02 - Step 4: Simplify right side
163,339.99x = 20,669,966,496.56 - Step 5: Solve for x
x = 20,669,966,496.56/163,339.99 - Step 6: Final answer
x = 126,545.66
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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.