Finding the Fourth Proportional to 165,791.26, 228,785.88 and 97,811.20
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Solution
The fourth proportional to 165,791.26, 228,785.88 and 97,811.20 is: 134,975.88
Step by Step Solution
- Step 1: Write the proportion equation
165,791.26 : 228,785.88 = 97,811.20 : x - Step 2: Convert to fraction form
165,791.26/228,785.88 = 97,811.20/x - Step 3: Cross multiply
165,791.26x = 228,785.88 × 97,811.20 - Step 4: Simplify right side
165,791.26x = 22,377,821,465.86 - Step 5: Solve for x
x = 22,377,821,465.86/165,791.26 - Step 6: Final answer
x = 134,975.88
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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.