Finding the Fourth Proportional to 400,417.67, 600,208.07 and 133,958.99
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Solution
The fourth proportional to 400,417.67, 600,208.07 and 133,958.99 is: 200,798.49
Step by Step Solution
- Step 1: Write the proportion equation
400,417.67 : 600,208.07 = 133,958.99 : x - Step 2: Convert to fraction form
400,417.67/600,208.07 = 133,958.99/x - Step 3: Cross multiply
400,417.67x = 600,208.07 × 133,958.99 - Step 4: Simplify right side
400,417.67x = 80,403,263,176.21 - Step 5: Solve for x
x = 80,403,263,176.21/400,417.67 - Step 6: Final answer
x = 200,798.49
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1.5x scale
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.