Finding the Fourth Proportional to 381,564.65, 572,427.93 and 144,902.09
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Solution
The fourth proportional to 381,564.65, 572,427.93 and 144,902.09 is: 217,383.88
Step by Step Solution
- Step 1: Write the proportion equation
381,564.65 : 572,427.93 = 144,902.09 : x - Step 2: Convert to fraction form
381,564.65/572,427.93 = 144,902.09/x - Step 3: Cross multiply
381,564.65x = 572,427.93 × 144,902.09 - Step 4: Simplify right side
381,564.65x = 82,946,003,431.37 - Step 5: Solve for x
x = 82,946,003,431.37/381,564.65 - Step 6: Final answer
x = 217,383.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.