Finding the Fourth Proportional to 415,254.36, 622,881.54 and 115,735.80
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Solution
The fourth proportional to 415,254.36, 622,881.54 and 115,735.80 is: 173,603.70
Step by Step Solution
- Step 1: Write the proportion equation
415,254.36 : 622,881.54 = 115,735.80 : x - Step 2: Convert to fraction form
415,254.36/622,881.54 = 115,735.80/x - Step 3: Cross multiply
415,254.36x = 622,881.54 × 115,735.80 - Step 4: Simplify right side
415,254.36x = 72,089,693,337.13 - Step 5: Solve for x
x = 72,089,693,337.13/415,254.36 - Step 6: Final answer
x = 173,603.70
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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.