Finding the Fourth Proportional to 547,529.10, 821,283.93 and 281,133.06
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Solution
The fourth proportional to 547,529.10, 821,283.93 and 281,133.06 is: 421,694.60
Step by Step Solution
- Step 1: Write the proportion equation
547,529.10 : 821,283.93 = 281,133.06 : x - Step 2: Convert to fraction form
547,529.10/821,283.93 = 281,133.06/x - Step 3: Cross multiply
547,529.10x = 821,283.93 × 281,133.06 - Step 4: Simplify right side
547,529.10x = 230,890,064,369.73 - Step 5: Solve for x
x = 230,890,064,369.73/547,529.10 - Step 6: Final answer
x = 421,694.60
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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.