Finding the Fourth Proportional to 194,533.21, 268,455.83 and 105,109.21
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Solution
The fourth proportional to 194,533.21, 268,455.83 and 105,109.21 is: 145,050.71
Step by Step Solution
- Step 1: Write the proportion equation
194,533.21 : 268,455.83 = 105,109.21 : x - Step 2: Convert to fraction form
194,533.21/268,455.83 = 105,109.21/x - Step 3: Cross multiply
194,533.21x = 268,455.83 × 105,109.21 - Step 4: Simplify right side
194,533.21x = 28,217,180,211.19 - Step 5: Solve for x
x = 28,217,180,211.19/194,533.21 - Step 6: Final answer
x = 145,050.71
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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.