Finding the Fourth Proportional to 164,430.41, 226,913.60 and 88,978.91
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Solution
The fourth proportional to 164,430.41, 226,913.60 and 88,978.91 is: 122,790.70
Step by Step Solution
- Step 1: Write the proportion equation
164,430.41 : 226,913.60 = 88,978.91 : x - Step 2: Convert to fraction form
164,430.41/226,913.60 = 88,978.91/x - Step 3: Cross multiply
164,430.41x = 226,913.60 × 88,978.91 - Step 4: Simplify right side
164,430.41x = 20,190,523,880.06 - Step 5: Solve for x
x = 20,190,523,880.06/164,430.41 - Step 6: Final answer
x = 122,790.70
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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.