Finding the Fourth Proportional to 305,819.99, 422,065.04 and 175,009.75
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Solution
The fourth proportional to 305,819.99, 422,065.04 and 175,009.75 is: 241,532.60
Step by Step Solution
- Step 1: Write the proportion equation
305,819.99 : 422,065.04 = 175,009.75 : x - Step 2: Convert to fraction form
305,819.99/422,065.04 = 175,009.75/x - Step 3: Cross multiply
305,819.99x = 422,065.04 × 175,009.75 - Step 4: Simplify right side
305,819.99x = 73,865,497,134.14 - Step 5: Solve for x
x = 73,865,497,134.14/305,819.99 - Step 6: Final answer
x = 241,532.60
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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.