Finding the Fourth Proportional to 205,519.84, 283,628.16 and 124,934.20
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Solution
The fourth proportional to 205,519.84, 283,628.16 and 124,934.20 is: 172,415.75
Step by Step Solution
- Step 1: Write the proportion equation
205,519.84 : 283,628.16 = 124,934.20 : x - Step 2: Convert to fraction form
205,519.84/283,628.16 = 124,934.20/x - Step 3: Cross multiply
205,519.84x = 283,628.16 × 124,934.20 - Step 4: Simplify right side
205,519.84x = 35,434,857,267.07 - Step 5: Solve for x
x = 35,434,857,267.07/205,519.84 - Step 6: Final answer
x = 172,415.75
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1.5x scale
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.