Finding the Fourth Proportional to 148,344.21, 222,519.96 and 43,164.09
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Solution
The fourth proportional to 148,344.21, 222,519.96 and 43,164.09 is: 64,747.20
Step by Step Solution
- Step 1: Write the proportion equation
148,344.21 : 222,519.96 = 43,164.09 : x - Step 2: Convert to fraction form
148,344.21/222,519.96 = 43,164.09/x - Step 3: Cross multiply
148,344.21x = 222,519.96 × 43,164.09 - Step 4: Simplify right side
148,344.21x = 9,604,871,580.24 - Step 5: Solve for x
x = 9,604,871,580.24/148,344.21 - Step 6: Final answer
x = 64,747.20
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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.