Finding the Fourth Proportional to 307,552.68, 461,406.60 and 85,936.68
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Solution
The fourth proportional to 307,552.68, 461,406.60 and 85,936.68 is: 128,926.70
Step by Step Solution
- Step 1: Write the proportion equation
307,552.68 : 461,406.60 = 85,936.68 : x - Step 2: Convert to fraction form
307,552.68/461,406.60 = 85,936.68/x - Step 3: Cross multiply
307,552.68x = 461,406.60 × 85,936.68 - Step 4: Simplify right side
307,552.68x = 39,651,751,334.09 - Step 5: Solve for x
x = 39,651,751,334.09/307,552.68 - Step 6: Final answer
x = 128,926.70
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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.