Finding the Fourth Proportional to 221,353.53, 305,467.91 and 125,866.07
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Solution
The fourth proportional to 221,353.53, 305,467.91 and 125,866.07 is: 173,695.19
Step by Step Solution
- Step 1: Write the proportion equation
221,353.53 : 305,467.91 = 125,866.07 : x - Step 2: Convert to fraction form
221,353.53/305,467.91 = 125,866.07/x - Step 3: Cross multiply
221,353.53x = 305,467.91 × 125,866.07 - Step 4: Simplify right side
221,353.53x = 38,448,043,186.14 - Step 5: Solve for x
x = 38,448,043,186.14/221,353.53 - Step 6: Final answer
x = 173,695.19
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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.