Finding the Fourth Proportional to 358,204.81, 494,303.12 and 197,033.84
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Solution
The fourth proportional to 358,204.81, 494,303.12 and 197,033.84 is: 271,895.96
Step by Step Solution
- Step 1: Write the proportion equation
358,204.81 : 494,303.12 = 197,033.84 : x - Step 2: Convert to fraction form
358,204.81/494,303.12 = 197,033.84/x - Step 3: Cross multiply
358,204.81x = 494,303.12 × 197,033.84 - Step 4: Simplify right side
358,204.81x = 97,394,440,872.41 - Step 5: Solve for x
x = 97,394,440,872.41/358,204.81 - Step 6: Final answer
x = 271,895.96
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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.