Finding the Fourth Proportional to 213,788.13, 295,023.36 and 118,294.80
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Solution
The fourth proportional to 213,788.13, 295,023.36 and 118,294.80 is: 163,244.47
Step by Step Solution
- Step 1: Write the proportion equation
213,788.13 : 295,023.36 = 118,294.80 : x - Step 2: Convert to fraction form
213,788.13/295,023.36 = 118,294.80/x - Step 3: Cross multiply
213,788.13x = 295,023.36 × 118,294.80 - Step 4: Simplify right side
213,788.13x = 34,899,729,366.53 - Step 5: Solve for x
x = 34,899,729,366.53/213,788.13 - Step 6: Final answer
x = 163,244.47
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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.