Finding the Fourth Proportional to 628,350.40, 942,591.12 and 201,778.48
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Solution
The fourth proportional to 628,350.40, 942,591.12 and 201,778.48 is: 302,688.76
Step by Step Solution
- Step 1: Write the proportion equation
628,350.40 : 942,591.12 = 201,778.48 : x - Step 2: Convert to fraction form
628,350.40/942,591.12 = 201,778.48/x - Step 3: Cross multiply
628,350.40x = 942,591.12 × 201,778.48 - Step 4: Simplify right side
628,350.40x = 190,194,603,455.10 - Step 5: Solve for x
x = 190,194,603,455.10/628,350.40 - Step 6: Final answer
x = 302,688.76
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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.