Finding the Fourth Proportional to 349,383.21, 523,918.87 and 243,447.80
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Solution
The fourth proportional to 349,383.21, 523,918.87 and 243,447.80 is: 365,063.03
Step by Step Solution
- Step 1: Write the proportion equation
349,383.21 : 523,918.87 = 243,447.80 : x - Step 2: Convert to fraction form
349,383.21/523,918.87 = 243,447.80/x - Step 3: Cross multiply
349,383.21x = 523,918.87 × 243,447.80 - Step 4: Simplify right side
349,383.21x = 127,546,893,051.77 - Step 5: Solve for x
x = 127,546,893,051.77/349,383.21 - Step 6: Final answer
x = 365,063.03
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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.