Finding the Fourth Proportional to 213,221.46, 294,239.99 and 117,726.11
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Solution
The fourth proportional to 213,221.46, 294,239.99 and 117,726.11 is: 162,458.92
Step by Step Solution
- Step 1: Write the proportion equation
213,221.46 : 294,239.99 = 117,726.11 : x - Step 2: Convert to fraction form
213,221.46/294,239.99 = 117,726.11/x - Step 3: Cross multiply
213,221.46x = 294,239.99 × 117,726.11 - Step 4: Simplify right side
213,221.46x = 34,639,729,355.65 - Step 5: Solve for x
x = 34,639,729,355.65/213,221.46 - Step 6: Final answer
x = 162,458.92
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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.