Finding the Fourth Proportional to 208,508.97, 310,081.07 and 201,865.95
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Solution
The fourth proportional to 208,508.97, 310,081.07 and 201,865.95 is: 300,201.99
Step by Step Solution
- Step 1: Write the proportion equation
208,508.97 : 310,081.07 = 201,865.95 : x - Step 2: Convert to fraction form
208,508.97/310,081.07 = 201,865.95/x - Step 3: Cross multiply
208,508.97x = 310,081.07 × 201,865.95 - Step 4: Simplify right side
208,508.97x = 62,594,808,763.24 - Step 5: Solve for x
x = 62,594,808,763.24/208,508.97 - Step 6: Final answer
x = 300,201.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.