Finding the Fourth Proportional to 358,972.49, 538,460.49 and 92,714.55
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Solution
The fourth proportional to 358,972.49, 538,460.49 and 92,714.55 is: 139,072.28
Step by Step Solution
- Step 1: Write the proportion equation
358,972.49 : 538,460.49 = 92,714.55 : x - Step 2: Convert to fraction form
358,972.49/538,460.49 = 92,714.55/x - Step 3: Cross multiply
358,972.49x = 538,460.49 × 92,714.55 - Step 4: Simplify right side
358,972.49x = 49,923,122,023.13 - Step 5: Solve for x
x = 49,923,122,023.13/358,972.49 - Step 6: Final answer
x = 139,072.28
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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.