Finding the Fourth Proportional to 399,493.10, 599,241.88 and 133,252.88
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Solution
The fourth proportional to 399,493.10, 599,241.88 and 133,252.88 is: 199,880.07
Step by Step Solution
- Step 1: Write the proportion equation
399,493.10 : 599,241.88 = 133,252.88 : x - Step 2: Convert to fraction form
399,493.10/599,241.88 = 133,252.88/x - Step 3: Cross multiply
399,493.10x = 599,241.88 × 133,252.88 - Step 4: Simplify right side
399,493.10x = 79,850,706,867.71 - Step 5: Solve for x
x = 79,850,706,867.71/399,493.10 - Step 6: Final answer
x = 199,880.07
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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.