Finding the Fourth Proportional to 438,108.22, 657,202.38 and 122,564.20
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Solution
The fourth proportional to 438,108.22, 657,202.38 and 122,564.20 is: 183,857.50
Step by Step Solution
- Step 1: Write the proportion equation
438,108.22 : 657,202.38 = 122,564.20 : x - Step 2: Convert to fraction form
438,108.22/657,202.38 = 122,564.20/x - Step 3: Cross multiply
438,108.22x = 657,202.38 × 122,564.20 - Step 4: Simplify right side
438,108.22x = 80,549,483,942.80 - Step 5: Solve for x
x = 80,549,483,942.80/438,108.22 - Step 6: Final answer
x = 183,857.50
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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.