Finding the Fourth Proportional to 358,671.92, 537,307.97 and 279,415.04
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Solution
The fourth proportional to 358,671.92, 537,307.97 and 279,415.04 is: 418,577.31
Step by Step Solution
- Step 1: Write the proportion equation
358,671.92 : 537,307.97 = 279,415.04 : x - Step 2: Convert to fraction form
358,671.92/537,307.97 = 279,415.04/x - Step 3: Cross multiply
358,671.92x = 537,307.97 × 279,415.04 - Step 4: Simplify right side
358,671.92x = 150,131,923,846.25 - Step 5: Solve for x
x = 150,131,923,846.25/358,671.92 - Step 6: Final answer
x = 418,577.31
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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.