Finding the Fourth Proportional to 620,532.09, 930,568.23 and 221,066.82
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Solution
The fourth proportional to 620,532.09, 930,568.23 and 221,066.82 is: 331,518.33
Step by Step Solution
- Step 1: Write the proportion equation
620,532.09 : 930,568.23 = 221,066.82 : x - Step 2: Convert to fraction form
620,532.09/930,568.23 = 221,066.82/x - Step 3: Cross multiply
620,532.09x = 930,568.23 × 221,066.82 - Step 4: Simplify right side
620,532.09x = 205,717,759,399.13 - Step 5: Solve for x
x = 205,717,759,399.13/620,532.09 - Step 6: Final answer
x = 331,518.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.