Finding the Fourth Proportional to 301,763.48, 416,469.80 and 180,971.21
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Solution
The fourth proportional to 301,763.48, 416,469.80 and 180,971.21 is: 249,761.99
Step by Step Solution
- Step 1: Write the proportion equation
301,763.48 : 416,469.80 = 180,971.21 : x - Step 2: Convert to fraction form
301,763.48/416,469.80 = 180,971.21/x - Step 3: Cross multiply
301,763.48x = 416,469.80 × 180,971.21 - Step 4: Simplify right side
301,763.48x = 75,369,045,128.06 - Step 5: Solve for x
x = 75,369,045,128.06/301,763.48 - Step 6: Final answer
x = 249,761.99
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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.