Finding the Fourth Proportional to 482,643.40, 724,310.70 and 202,361.80
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Solution
The fourth proportional to 482,643.40, 724,310.70 and 202,361.80 is: 303,687.60
Step by Step Solution
- Step 1: Write the proportion equation
482,643.40 : 724,310.70 = 202,361.80 : x - Step 2: Convert to fraction form
482,643.40/724,310.70 = 202,361.80/x - Step 3: Cross multiply
482,643.40x = 724,310.70 × 202,361.80 - Step 4: Simplify right side
482,643.40x = 146,572,817,011.26 - Step 5: Solve for x
x = 146,572,817,011.26/482,643.40 - Step 6: Final answer
x = 303,687.60
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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.