Finding the Fourth Proportional to 319,029.87, 440,257.58 and 181,207.87
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Solution
The fourth proportional to 319,029.87, 440,257.58 and 181,207.87 is: 250,064.79
Step by Step Solution
- Step 1: Write the proportion equation
319,029.87 : 440,257.58 = 181,207.87 : x - Step 2: Convert to fraction form
319,029.87/440,257.58 = 181,207.87/x - Step 3: Cross multiply
319,029.87x = 440,257.58 × 181,207.87 - Step 4: Simplify right side
319,029.87x = 79,778,136,996.00 - Step 5: Solve for x
x = 79,778,136,996.00/319,029.87 - Step 6: Final answer
x = 250,064.79
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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.