Finding the Fourth Proportional to 201,660.90, 302,491.35 and 154,421.70
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Solution
The fourth proportional to 201,660.90, 302,491.35 and 154,421.70 is: 231,632.55
Step by Step Solution
- Step 1: Write the proportion equation
201,660.90 : 302,491.35 = 154,421.70 : x - Step 2: Convert to fraction form
201,660.90/302,491.35 = 154,421.70/x - Step 3: Cross multiply
201,660.90x = 302,491.35 × 154,421.70 - Step 4: Simplify right side
201,660.90x = 46,711,228,502.30 - Step 5: Solve for x
x = 46,711,228,502.30/201,660.90 - Step 6: Final answer
x = 231,632.55
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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.