Finding the Fourth Proportional to 328,439.70, 453,246.57 and 177,536.70
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Solution
The fourth proportional to 328,439.70, 453,246.57 and 177,536.70 is: 245,000.53
Step by Step Solution
- Step 1: Write the proportion equation
328,439.70 : 453,246.57 = 177,536.70 : x - Step 2: Convert to fraction form
328,439.70/453,246.57 = 177,536.70/x - Step 3: Cross multiply
328,439.70x = 453,246.57 × 177,536.70 - Step 4: Simplify right side
328,439.70x = 80,467,900,324.12 - Step 5: Solve for x
x = 80,467,900,324.12/328,439.70 - Step 6: Final answer
x = 245,000.53
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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.