Finding the Fourth Proportional to 165,430.26, 228,303.09 and 89,977.14
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Solution
The fourth proportional to 165,430.26, 228,303.09 and 89,977.14 is: 124,173.53
Step by Step Solution
- Step 1: Write the proportion equation
165,430.26 : 228,303.09 = 89,977.14 : x - Step 2: Convert to fraction form
165,430.26/228,303.09 = 89,977.14/x - Step 3: Cross multiply
165,430.26x = 228,303.09 × 89,977.14 - Step 4: Simplify right side
165,430.26x = 20,542,059,091.36 - Step 5: Solve for x
x = 20,542,059,091.36/165,430.26 - Step 6: Final answer
x = 124,173.53
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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.