Finding the Fourth Proportional to 168,021.47, 252,004.86 and 68,177.63
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Solution
The fourth proportional to 168,021.47, 252,004.86 and 68,177.63 is: 102,255.34
Step by Step Solution
- Step 1: Write the proportion equation
168,021.47 : 252,004.86 = 68,177.63 : x - Step 2: Convert to fraction form
168,021.47/252,004.86 = 68,177.63/x - Step 3: Cross multiply
168,021.47x = 252,004.86 × 68,177.63 - Step 4: Simplify right side
168,021.47x = 17,181,092,843.26 - Step 5: Solve for x
x = 17,181,092,843.26/168,021.47 - Step 6: Final answer
x = 102,255.34
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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.