Finding the Fourth Proportional to 250,852.09, 346,169.60 and 143,415.26
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Solution
The fourth proportional to 250,852.09, 346,169.60 and 143,415.26 is: 197,909.46
Step by Step Solution
- Step 1: Write the proportion equation
250,852.09 : 346,169.60 = 143,415.26 : x - Step 2: Convert to fraction form
250,852.09/346,169.60 = 143,415.26/x - Step 3: Cross multiply
250,852.09x = 346,169.60 × 143,415.26 - Step 4: Simplify right side
250,852.09x = 49,646,002,576.11 - Step 5: Solve for x
x = 49,646,002,576.11/250,852.09 - Step 6: Final answer
x = 197,909.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.