Finding the Fourth Proportional to 218,938.44, 302,135.10 and 123,445.14
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Solution
The fourth proportional to 218,938.44, 302,135.10 and 123,445.14 is: 170,354.32
Step by Step Solution
- Step 1: Write the proportion equation
218,938.44 : 302,135.10 = 123,445.14 : x - Step 2: Convert to fraction form
218,938.44/302,135.10 = 123,445.14/x - Step 3: Cross multiply
218,938.44x = 302,135.10 × 123,445.14 - Step 4: Simplify right side
218,938.44x = 37,297,109,718.41 - Step 5: Solve for x
x = 37,297,109,718.41/218,938.44 - Step 6: Final answer
x = 170,354.32
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1.5x scale
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.