Finding the Fourth Proportional to 221,251.05, 305,320.55 and 124,465.41
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Solution
The fourth proportional to 221,251.05, 305,320.55 and 124,465.41 is: 171,758.94
Step by Step Solution
- Step 1: Write the proportion equation
221,251.05 : 305,320.55 = 124,465.41 : x - Step 2: Convert to fraction form
221,251.05/305,320.55 = 124,465.41/x - Step 3: Cross multiply
221,251.05x = 305,320.55 × 124,465.41 - Step 4: Simplify right side
221,251.05x = 38,001,846,814.85 - Step 5: Solve for x
x = 38,001,846,814.85/221,251.05 - Step 6: Final answer
x = 171,758.94
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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.