Finding the Fourth Proportional to 205,542.42, 283,694.28 and 124,952.82
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Solution
The fourth proportional to 205,542.42, 283,694.28 and 124,952.82 is: 172,462.70
Step by Step Solution
- Step 1: Write the proportion equation
205,542.42 : 283,694.28 = 124,952.82 : x - Step 2: Convert to fraction form
205,542.42/283,694.28 = 124,952.82/x - Step 3: Cross multiply
205,542.42x = 283,694.28 × 124,952.82 - Step 4: Simplify right side
205,542.42x = 35,448,400,303.87 - Step 5: Solve for x
x = 35,448,400,303.87/205,542.42 - Step 6: Final answer
x = 172,462.70
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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.