Finding the Fourth Proportional to 297,195.21, 445,689.14 and 130,892.49
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Solution
The fourth proportional to 297,195.21, 445,689.14 and 130,892.49 is: 196,293.07
Step by Step Solution
- Step 1: Write the proportion equation
297,195.21 : 445,689.14 = 130,892.49 : x - Step 2: Convert to fraction form
297,195.21/445,689.14 = 130,892.49/x - Step 3: Cross multiply
297,195.21x = 445,689.14 × 130,892.49 - Step 4: Simplify right side
297,195.21x = 58,337,360,646.10 - Step 5: Solve for x
x = 58,337,360,646.10/297,195.21 - Step 6: Final answer
x = 196,293.07
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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.