Finding the Fourth Proportional to 628,169.28, 942,340.80 and 201,604.80
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Solution
The fourth proportional to 628,169.28, 942,340.80 and 201,604.80 is: 302,435.08
Step by Step Solution
- Step 1: Write the proportion equation
628,169.28 : 942,340.80 = 201,604.80 : x - Step 2: Convert to fraction form
628,169.28/942,340.80 = 201,604.80/x - Step 3: Cross multiply
628,169.28x = 942,340.80 × 201,604.80 - Step 4: Simplify right side
628,169.28x = 189,980,428,515.84 - Step 5: Solve for x
x = 189,980,428,515.84/628,169.28 - Step 6: Final answer
x = 302,435.08
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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.