Finding the Fourth Proportional to 221,001.48, 331,217.88 and 192,421.49
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Solution
The fourth proportional to 221,001.48, 331,217.88 and 192,421.49 is: 288,384.67
Step by Step Solution
- Step 1: Write the proportion equation
221,001.48 : 331,217.88 = 192,421.49 : x - Step 2: Convert to fraction form
221,001.48/331,217.88 = 192,421.49/x - Step 3: Cross multiply
221,001.48x = 331,217.88 × 192,421.49 - Step 4: Simplify right side
221,001.48x = 63,733,437,984.24 - Step 5: Solve for x
x = 63,733,437,984.24/221,001.48 - Step 6: Final answer
x = 288,384.67
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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.