Finding the Fourth Proportional to 400,528.97, 552,744.01 and 219,241.02
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Solution
The fourth proportional to 400,528.97, 552,744.01 and 219,241.02 is: 302,560.28
Step by Step Solution
- Step 1: Write the proportion equation
400,528.97 : 552,744.01 = 219,241.02 : x - Step 2: Convert to fraction form
400,528.97/552,744.01 = 219,241.02/x - Step 3: Cross multiply
400,528.97x = 552,744.01 × 219,241.02 - Step 4: Simplify right side
400,528.97x = 121,184,157,787.57 - Step 5: Solve for x
x = 121,184,157,787.57/400,528.97 - Step 6: Final answer
x = 302,560.28
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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.