Finding the Fourth Proportional to 482,862.20, 724,163.70 and 202,321.40
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Solution
The fourth proportional to 482,862.20, 724,163.70 and 202,321.40 is: 303,427.80
Step by Step Solution
- Step 1: Write the proportion equation
482,862.20 : 724,163.70 = 202,321.40 : x - Step 2: Convert to fraction form
482,862.20/724,163.70 = 202,321.40/x - Step 3: Cross multiply
482,862.20x = 724,163.70 × 202,321.40 - Step 4: Simplify right side
482,862.20x = 146,513,813,613.18 - Step 5: Solve for x
x = 146,513,813,613.18/482,862.20 - Step 6: Final answer
x = 303,427.80
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1.5x scale
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.