Finding the Fourth Proportional to 165,697.75, 228,686.74 and 119,906.07
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Solution
The fourth proportional to 165,697.75, 228,686.74 and 119,906.07 is: 165,487.63
Step by Step Solution
- Step 1: Write the proportion equation
165,697.75 : 228,686.74 = 119,906.07 : x - Step 2: Convert to fraction form
165,697.75/228,686.74 = 119,906.07/x - Step 3: Cross multiply
165,697.75x = 228,686.74 × 119,906.07 - Step 4: Simplify right side
165,697.75x = 27,420,927,111.08 - Step 5: Solve for x
x = 27,420,927,111.08/165,697.75 - Step 6: Final answer
x = 165,487.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.