Finding the Fourth Proportional to 307,735.20, 461,689.20 and 149,968.80
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Solution
The fourth proportional to 307,735.20, 461,689.20 and 149,968.80 is: 224,995.31
Step by Step Solution
- Step 1: Write the proportion equation
307,735.20 : 461,689.20 = 149,968.80 : x - Step 2: Convert to fraction form
307,735.20/461,689.20 = 149,968.80/x - Step 3: Cross multiply
307,735.20x = 461,689.20 × 149,968.80 - Step 4: Simplify right side
307,735.20x = 69,238,975,296.96 - Step 5: Solve for x
x = 69,238,975,296.96/307,735.20 - Step 6: Final answer
x = 224,995.31
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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.