Finding the Fourth Proportional to 191,438.84, 264,185.58 and 106,554.08
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Solution
The fourth proportional to 191,438.84, 264,185.58 and 106,554.08 is: 147,044.62
Step by Step Solution
- Step 1: Write the proportion equation
191,438.84 : 264,185.58 = 106,554.08 : x - Step 2: Convert to fraction form
191,438.84/264,185.58 = 106,554.08/x - Step 3: Cross multiply
191,438.84x = 264,185.58 × 106,554.08 - Step 4: Simplify right side
191,438.84x = 28,150,051,426.17 - Step 5: Solve for x
x = 28,150,051,426.17/191,438.84 - Step 6: Final answer
x = 147,044.62
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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.