Finding the Fourth Proportional to 221,931.24, 332,888.16 and 122,289
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Solution
The fourth proportional to 221,931.24, 332,888.16 and 122,289 is: 183,428.71
Step by Step Solution
- Step 1: Write the proportion equation
221,931.24 : 332,888.16 = 122,289 : x - Step 2: Convert to fraction form
221,931.24/332,888.16 = 122,289/x - Step 3: Cross multiply
221,931.24x = 332,888.16 × 122,289 - Step 4: Simplify right side
221,931.24x = 40,708,560,198.24 - Step 5: Solve for x
x = 40,708,560,198.24/221,931.24 - Step 6: Final answer
x = 183,428.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.