Finding the Fourth Proportional to 178,198.68, 245,820.86 and 110,193.96
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Solution
The fourth proportional to 178,198.68, 245,820.86 and 110,193.96 is: 152,009.96
Step by Step Solution
- Step 1: Write the proportion equation
178,198.68 : 245,820.86 = 110,193.96 : x - Step 2: Convert to fraction form
178,198.68/245,820.86 = 110,193.96/x - Step 3: Cross multiply
178,198.68x = 245,820.86 × 110,193.96 - Step 4: Simplify right side
178,198.68x = 27,087,974,014.01 - Step 5: Solve for x
x = 27,087,974,014.01/178,198.68 - Step 6: Final answer
x = 152,009.96
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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.