Finding the Fourth Proportional to 194,841.14, 268,860.24 and 113,153.45
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Solution
The fourth proportional to 194,841.14, 268,860.24 and 113,153.45 is: 156,139.83
Step by Step Solution
- Step 1: Write the proportion equation
194,841.14 : 268,860.24 = 113,153.45 : x - Step 2: Convert to fraction form
194,841.14/268,860.24 = 113,153.45/x - Step 3: Cross multiply
194,841.14x = 268,860.24 × 113,153.45 - Step 4: Simplify right side
194,841.14x = 30,422,462,379.53 - Step 5: Solve for x
x = 30,422,462,379.53/194,841.14 - Step 6: Final answer
x = 156,139.83
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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.