Finding the Fourth Proportional to 338,866.26, 507,975.38 and 125,577.06
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Solution
The fourth proportional to 338,866.26, 507,975.38 and 125,577.06 is: 188,245.52
Step by Step Solution
- Step 1: Write the proportion equation
338,866.26 : 507,975.38 = 125,577.06 : x - Step 2: Convert to fraction form
338,866.26/507,975.38 = 125,577.06/x - Step 3: Cross multiply
338,866.26x = 507,975.38 × 125,577.06 - Step 4: Simplify right side
338,866.26x = 63,790,054,772.78 - Step 5: Solve for x
x = 63,790,054,772.78/338,866.26 - Step 6: Final answer
x = 188,245.52
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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.