Finding the Fourth Proportional to 513,094.12, 707,611.38 and 322,125.32
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Solution
The fourth proportional to 513,094.12, 707,611.38 and 322,125.32 is: 444,245.09
Step by Step Solution
- Step 1: Write the proportion equation
513,094.12 : 707,611.38 = 322,125.32 : x - Step 2: Convert to fraction form
513,094.12/707,611.38 = 322,125.32/x - Step 3: Cross multiply
513,094.12x = 707,611.38 × 322,125.32 - Step 4: Simplify right side
513,094.12x = 227,939,542,218.14 - Step 5: Solve for x
x = 227,939,542,218.14/513,094.12 - Step 6: Final answer
x = 444,245.09
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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.