Finding the Fourth Proportional to 358,489.12, 494,709.24 and 197,344.68
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Solution
The fourth proportional to 358,489.12, 494,709.24 and 197,344.68 is: 272,332.50
Step by Step Solution
- Step 1: Write the proportion equation
358,489.12 : 494,709.24 = 197,344.68 : x - Step 2: Convert to fraction form
358,489.12/494,709.24 = 197,344.68/x - Step 3: Cross multiply
358,489.12x = 494,709.24 × 197,344.68 - Step 4: Simplify right side
358,489.12x = 97,628,236,660.84 - Step 5: Solve for x
x = 97,628,236,660.84/358,489.12 - Step 6: Final answer
x = 272,332.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.