Finding the Fourth Proportional to 266,068.35, 398,755.95 and 108,112.14
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Solution
The fourth proportional to 266,068.35, 398,755.95 and 108,112.14 is: 162,027.39
Step by Step Solution
- Step 1: Write the proportion equation
266,068.35 : 398,755.95 = 108,112.14 : x - Step 2: Convert to fraction form
266,068.35/398,755.95 = 108,112.14/x - Step 3: Cross multiply
266,068.35x = 398,755.95 × 108,112.14 - Step 4: Simplify right side
266,068.35x = 43,110,359,092.23 - Step 5: Solve for x
x = 43,110,359,092.23/266,068.35 - Step 6: Final answer
x = 162,027.39
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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.