Finding the Fourth Proportional to 440,975.99, 661,250.01 and 258,656.60
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Solution
The fourth proportional to 440,975.99, 661,250.01 and 258,656.60 is: 387,859.40
Step by Step Solution
- Step 1: Write the proportion equation
440,975.99 : 661,250.01 = 258,656.60 : x - Step 2: Convert to fraction form
440,975.99/661,250.01 = 258,656.60/x - Step 3: Cross multiply
440,975.99x = 661,250.01 × 258,656.60 - Step 4: Simplify right side
440,975.99x = 171,036,681,959.65 - Step 5: Solve for x
x = 171,036,681,959.65/440,975.99 - Step 6: Final answer
x = 387,859.40
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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.