Finding the Fourth Proportional to 358,956.60, 538,246.26 and 159,190.62
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Solution
The fourth proportional to 358,956.60, 538,246.26 and 159,190.62 is: 238,702.27
Step by Step Solution
- Step 1: Write the proportion equation
358,956.60 : 538,246.26 = 159,190.62 : x - Step 2: Convert to fraction form
358,956.60/538,246.26 = 159,190.62/x - Step 3: Cross multiply
358,956.60x = 538,246.26 × 159,190.62 - Step 4: Simplify right side
358,956.60x = 85,683,755,842.08 - Step 5: Solve for x
x = 85,683,755,842.08/358,956.60 - Step 6: Final answer
x = 238,702.27
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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.