Finding the Fourth Proportional to 221,351.73, 305,434.58 and 125,847.87
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Solution
The fourth proportional to 221,351.73, 305,434.58 and 125,847.87 is: 173,652.54
Step by Step Solution
- Step 1: Write the proportion equation
221,351.73 : 305,434.58 = 125,847.87 : x - Step 2: Convert to fraction form
221,351.73/305,434.58 = 125,847.87/x - Step 3: Cross multiply
221,351.73x = 305,434.58 × 125,847.87 - Step 4: Simplify right side
221,351.73x = 38,438,290,688.11 - Step 5: Solve for x
x = 38,438,290,688.11/221,351.73 - Step 6: Final answer
x = 173,652.54
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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.