Finding the Fourth Proportional to 622,824.20, 934,466.70 and 202,113.80
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Solution
The fourth proportional to 622,824.20, 934,466.70 and 202,113.80 is: 303,245.47
Step by Step Solution
- Step 1: Write the proportion equation
622,824.20 : 934,466.70 = 202,113.80 : x - Step 2: Convert to fraction form
622,824.20/934,466.70 = 202,113.80/x - Step 3: Cross multiply
622,824.20x = 934,466.70 × 202,113.80 - Step 4: Simplify right side
622,824.20x = 188,868,615,710.46 - Step 5: Solve for x
x = 188,868,615,710.46/622,824.20 - Step 6: Final answer
x = 303,245.47
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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.