Finding the Fourth Proportional to 358,252.57, 494,396.21 and 197,108.08
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Solution
The fourth proportional to 358,252.57, 494,396.21 and 197,108.08 is: 272,013.37
Step by Step Solution
- Step 1: Write the proportion equation
358,252.57 : 494,396.21 = 197,108.08 : x - Step 2: Convert to fraction form
358,252.57/494,396.21 = 197,108.08/x - Step 3: Cross multiply
358,252.57x = 494,396.21 × 197,108.08 - Step 4: Simplify right side
358,252.57x = 97,449,488,641.40 - Step 5: Solve for x
x = 97,449,488,641.40/358,252.57 - Step 6: Final answer
x = 272,013.37
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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.