Finding the Fourth Proportional to 547,052.23, 754,970.12 and 305,381.98
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Solution
The fourth proportional to 547,052.23, 754,970.12 and 305,381.98 is: 421,448.37
Step by Step Solution
- Step 1: Write the proportion equation
547,052.23 : 754,970.12 = 305,381.98 : x - Step 2: Convert to fraction form
547,052.23/754,970.12 = 305,381.98/x - Step 3: Cross multiply
547,052.23x = 754,970.12 × 305,381.98 - Step 4: Simplify right side
547,052.23x = 230,554,270,086.44 - Step 5: Solve for x
x = 230,554,270,086.44/547,052.23 - Step 6: Final answer
x = 421,448.37
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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.