Finding the Fourth Proportional to 381,554.65, 572,412.93 and 144,892.09
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Solution
The fourth proportional to 381,554.65, 572,412.93 and 144,892.09 is: 217,368.88
Step by Step Solution
- Step 1: Write the proportion equation
381,554.65 : 572,412.93 = 144,892.09 : x - Step 2: Convert to fraction form
381,554.65/572,412.93 = 144,892.09/x - Step 3: Cross multiply
381,554.65x = 572,412.93 × 144,892.09 - Step 4: Simplify right side
381,554.65x = 82,938,105,770.72 - Step 5: Solve for x
x = 82,938,105,770.72/381,554.65 - Step 6: Final answer
x = 217,368.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.