Finding the Fourth Proportional to 399,650.40, 599,420.88 and 133,404.84
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Solution
The fourth proportional to 399,650.40, 599,420.88 and 133,404.84 is: 200,088.99
Step by Step Solution
- Step 1: Write the proportion equation
399,650.40 : 599,420.88 = 133,404.84 : x - Step 2: Convert to fraction form
399,650.40/599,420.88 = 133,404.84/x - Step 3: Cross multiply
399,650.40x = 599,420.88 × 133,404.84 - Step 4: Simplify right side
399,650.40x = 79,965,646,589.06 - Step 5: Solve for x
x = 79,965,646,589.06/399,650.40 - Step 6: Final answer
x = 200,088.99
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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.