Finding the Fourth Proportional to 307,536.40, 461,305.68 and 149,629.60
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Solution
The fourth proportional to 307,536.40, 461,305.68 and 149,629.60 is: 224,444.93
Step by Step Solution
- Step 1: Write the proportion equation
307,536.40 : 461,305.68 = 149,629.60 : x - Step 2: Convert to fraction form
307,536.40/461,305.68 = 149,629.60/x - Step 3: Cross multiply
307,536.40x = 461,305.68 × 149,629.60 - Step 4: Simplify right side
307,536.40x = 69,024,984,376.13 - Step 5: Solve for x
x = 69,024,984,376.13/307,536.40 - Step 6: Final answer
x = 224,444.93
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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.