Finding the Fourth Proportional to 221,293.83, 305,384.09 and 125,800.53
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Solution
The fourth proportional to 221,293.83, 305,384.09 and 125,800.53 is: 173,603.94
Step by Step Solution
- Step 1: Write the proportion equation
221,293.83 : 305,384.09 = 125,800.53 : x - Step 2: Convert to fraction form
221,293.83/305,384.09 = 125,800.53/x - Step 3: Cross multiply
221,293.83x = 305,384.09 × 125,800.53 - Step 4: Simplify right side
221,293.83x = 38,417,480,375.57 - Step 5: Solve for x
x = 38,417,480,375.57/221,293.83 - Step 6: Final answer
x = 173,603.94
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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.