Finding the Fourth Proportional to 331,317.99, 457,206.66 and 202,472.09
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Solution
The fourth proportional to 331,317.99, 457,206.66 and 202,472.09 is: 279,404.04
Step by Step Solution
- Step 1: Write the proportion equation
331,317.99 : 457,206.66 = 202,472.09 : x - Step 2: Convert to fraction form
331,317.99/457,206.66 = 202,472.09/x - Step 3: Cross multiply
331,317.99x = 457,206.66 × 202,472.09 - Step 4: Simplify right side
331,317.99x = 92,571,585,726.09 - Step 5: Solve for x
x = 92,571,585,726.09/331,317.99 - Step 6: Final answer
x = 279,404.04
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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.