Finding the Fourth Proportional to 180,564.81, 270,699.41 and 68,181.26
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Solution
The fourth proportional to 180,564.81, 270,699.41 and 68,181.26 is: 102,216.07
Step by Step Solution
- Step 1: Write the proportion equation
180,564.81 : 270,699.41 = 68,181.26 : x - Step 2: Convert to fraction form
180,564.81/270,699.41 = 68,181.26/x - Step 3: Cross multiply
180,564.81x = 270,699.41 × 68,181.26 - Step 4: Simplify right side
180,564.81x = 18,456,625,160.65 - Step 5: Solve for x
x = 18,456,625,160.65/180,564.81 - Step 6: Final answer
x = 102,216.07
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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.