Finding the Fourth Proportional to 376,883.97, 520,119.81 and 213,572.18
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Solution
The fourth proportional to 376,883.97, 520,119.81 and 213,572.18 is: 294,740.90
Step by Step Solution
- Step 1: Write the proportion equation
376,883.97 : 520,119.81 = 213,572.18 : x - Step 2: Convert to fraction form
376,883.97/520,119.81 = 213,572.18/x - Step 3: Cross multiply
376,883.97x = 520,119.81 × 213,572.18 - Step 4: Simplify right side
376,883.97x = 111,083,119,082.29 - Step 5: Solve for x
x = 111,083,119,082.29/376,883.97 - Step 6: Final answer
x = 294,740.90
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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.