Finding the Fourth Proportional to 507,469.74, 761,112.60 and 203,851.68
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Solution
The fourth proportional to 507,469.74, 761,112.60 and 203,851.68 is: 305,740.56
Step by Step Solution
- Step 1: Write the proportion equation
507,469.74 : 761,112.60 = 203,851.68 : x - Step 2: Convert to fraction form
507,469.74/761,112.60 = 203,851.68/x - Step 3: Cross multiply
507,469.74x = 761,112.60 × 203,851.68 - Step 4: Simplify right side
507,469.74x = 155,154,082,179.17 - Step 5: Solve for x
x = 155,154,082,179.17/507,469.74 - Step 6: Final answer
x = 305,740.56
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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.