Finding the Fourth Proportional to 418,807.48, 628,201.42 and 134,497.48
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Solution
The fourth proportional to 418,807.48, 628,201.42 and 134,497.48 is: 201,743.07
Step by Step Solution
- Step 1: Write the proportion equation
418,807.48 : 628,201.42 = 134,497.48 : x - Step 2: Convert to fraction form
418,807.48/628,201.42 = 134,497.48/x - Step 3: Cross multiply
418,807.48x = 628,201.42 × 134,497.48 - Step 4: Simplify right side
418,807.48x = 84,491,507,922.42 - Step 5: Solve for x
x = 84,491,507,922.42/418,807.48 - Step 6: Final answer
x = 201,743.07
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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.