Finding the Fourth Proportional to 328,457.26, 453,343.58 and 213,535.88
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Solution
The fourth proportional to 328,457.26, 453,343.58 and 213,535.88 is: 294,726.69
Step by Step Solution
- Step 1: Write the proportion equation
328,457.26 : 453,343.58 = 213,535.88 : x - Step 2: Convert to fraction form
328,457.26/453,343.58 = 213,535.88/x - Step 3: Cross multiply
328,457.26x = 453,343.58 × 213,535.88 - Step 4: Simplify right side
328,457.26x = 96,805,120,297.65 - Step 5: Solve for x
x = 96,805,120,297.65/328,457.26 - Step 6: Final answer
x = 294,726.69
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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.