Finding the Fourth Proportional to 971,949.21, 1,457,757.67 and 261,811.17
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Solution
The fourth proportional to 971,949.21, 1,457,757.67 and 261,811.17 is: 392,672.00
Step by Step Solution
- Step 1: Write the proportion equation
971,949.21 : 1,457,757.67 = 261,811.17 : x - Step 2: Convert to fraction form
971,949.21/1,457,757.67 = 261,811.17/x - Step 3: Cross multiply
971,949.21x = 1,457,757.67 × 261,811.17 - Step 4: Simplify right side
971,949.21x = 381,657,241,159.17 - Step 5: Solve for x
x = 381,657,241,159.17/971,949.21 - Step 6: Final answer
x = 392,672.00
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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.