Finding the Fourth Proportional to 358,432.98, 494,633.57 and 197,284.56
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Solution
The fourth proportional to 358,432.98, 494,633.57 and 197,284.56 is: 272,250.52
Step by Step Solution
- Step 1: Write the proportion equation
358,432.98 : 494,633.57 = 197,284.56 : x - Step 2: Convert to fraction form
358,432.98/494,633.57 = 197,284.56/x - Step 3: Cross multiply
358,432.98x = 494,633.57 × 197,284.56 - Step 4: Simplify right side
358,432.98x = 97,583,565,232.26 - Step 5: Solve for x
x = 97,583,565,232.26/358,432.98 - Step 6: Final answer
x = 272,250.52
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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.