Finding the Fourth Proportional to 199,126.84, 274,794.96 and 109,702.84
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Solution
The fourth proportional to 199,126.84, 274,794.96 and 109,702.84 is: 151,389.88
Step by Step Solution
- Step 1: Write the proportion equation
199,126.84 : 274,794.96 = 109,702.84 : x - Step 2: Convert to fraction form
199,126.84/274,794.96 = 109,702.84/x - Step 3: Cross multiply
199,126.84x = 274,794.96 × 109,702.84 - Step 4: Simplify right side
199,126.84x = 30,145,787,529.69 - Step 5: Solve for x
x = 30,145,787,529.69/199,126.84 - Step 6: Final answer
x = 151,389.88
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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.