Finding the Fourth Proportional to 632,202.44, 872,438.85 and 345,722.45
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Solution
The fourth proportional to 632,202.44, 872,438.85 and 345,722.45 is: 477,096.70
Step by Step Solution
- Step 1: Write the proportion equation
632,202.44 : 872,438.85 = 345,722.45 : x - Step 2: Convert to fraction form
632,202.44/872,438.85 = 345,722.45/x - Step 3: Cross multiply
632,202.44x = 872,438.85 × 345,722.45 - Step 4: Simplify right side
632,202.44x = 301,621,692,334.99 - Step 5: Solve for x
x = 301,621,692,334.99/632,202.44 - Step 6: Final answer
x = 477,096.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.