Finding the Fourth Proportional to 402,066.06, 603,033.42 and 135,820.68
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Solution
The fourth proportional to 402,066.06, 603,033.42 and 135,820.68 is: 203,708.84
Step by Step Solution
- Step 1: Write the proportion equation
402,066.06 : 603,033.42 = 135,820.68 : x - Step 2: Convert to fraction form
402,066.06/603,033.42 = 135,820.68/x - Step 3: Cross multiply
402,066.06x = 603,033.42 × 135,820.68 - Step 4: Simplify right side
402,066.06x = 81,904,409,167.13 - Step 5: Solve for x
x = 81,904,409,167.13/402,066.06 - Step 6: Final answer
x = 203,708.84
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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.