Finding the Fourth Proportional to 477,941.70, 716,912.55 and 145,517.70
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Solution
The fourth proportional to 477,941.70, 716,912.55 and 145,517.70 is: 218,276.55
Step by Step Solution
- Step 1: Write the proportion equation
477,941.70 : 716,912.55 = 145,517.70 : x - Step 2: Convert to fraction form
477,941.70/716,912.55 = 145,517.70/x - Step 3: Cross multiply
477,941.70x = 716,912.55 × 145,517.70 - Step 4: Simplify right side
477,941.70x = 104,323,465,377.14 - Step 5: Solve for x
x = 104,323,465,377.14/477,941.70 - Step 6: Final answer
x = 218,276.55
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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.