Finding the Fourth Proportional to 165,771.97, 228,764.05 and 97,789.07
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Solution
The fourth proportional to 165,771.97, 228,764.05 and 97,789.07 is: 134,948.17
Step by Step Solution
- Step 1: Write the proportion equation
165,771.97 : 228,764.05 = 97,789.07 : x - Step 2: Convert to fraction form
165,771.97/228,764.05 = 97,789.07/x - Step 3: Cross multiply
165,771.97x = 228,764.05 × 97,789.07 - Step 4: Simplify right side
165,771.97x = 22,370,624,026.37 - Step 5: Solve for x
x = 22,370,624,026.37/165,771.97 - Step 6: Final answer
x = 134,948.17
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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.