Finding the Fourth Proportional to 110,355.42, 165,534.64 and 31,469.63
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Solution
The fourth proportional to 110,355.42, 165,534.64 and 31,469.63 is: 47,204.88
Step by Step Solution
- Step 1: Write the proportion equation
110,355.42 : 165,534.64 = 31,469.63 : x - Step 2: Convert to fraction form
110,355.42/165,534.64 = 31,469.63/x - Step 3: Cross multiply
110,355.42x = 165,534.64 × 31,469.63 - Step 4: Simplify right side
110,355.42x = 5,209,314,208.15 - Step 5: Solve for x
x = 5,209,314,208.15/110,355.42 - Step 6: Final answer
x = 47,204.88
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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.