Finding the Fourth Proportional to 290,840.22, 436,261.14 and 157,783.14
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Solution
The fourth proportional to 290,840.22, 436,261.14 and 157,783.14 is: 236,675.15
Step by Step Solution
- Step 1: Write the proportion equation
290,840.22 : 436,261.14 = 157,783.14 : x - Step 2: Convert to fraction form
290,840.22/436,261.14 = 157,783.14/x - Step 3: Cross multiply
290,840.22x = 436,261.14 × 157,783.14 - Step 4: Simplify right side
290,840.22x = 68,834,652,529.18 - Step 5: Solve for x
x = 68,834,652,529.18/290,840.22 - Step 6: Final answer
x = 236,675.15
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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.