Finding the Fourth Proportional to 338,112.12, 466,645.96 and 192,917.19
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Solution
The fourth proportional to 338,112.12, 466,645.96 and 192,917.19 is: 266,254.96
Step by Step Solution
- Step 1: Write the proportion equation
338,112.12 : 466,645.96 = 192,917.19 : x - Step 2: Convert to fraction form
338,112.12/466,645.96 = 192,917.19/x - Step 3: Cross multiply
338,112.12x = 466,645.96 × 192,917.19 - Step 4: Simplify right side
338,112.12x = 90,024,029,319.12 - Step 5: Solve for x
x = 90,024,029,319.12/338,112.12 - Step 6: Final answer
x = 266,254.96
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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.