Finding the Fourth Proportional to 302,862.38, 417,958.79 and 168,735.02
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Solution
The fourth proportional to 302,862.38, 417,958.79 and 168,735.02 is: 232,859.17
Step by Step Solution
- Step 1: Write the proportion equation
302,862.38 : 417,958.79 = 168,735.02 : x - Step 2: Convert to fraction form
302,862.38/417,958.79 = 168,735.02/x - Step 3: Cross multiply
302,862.38x = 417,958.79 × 168,735.02 - Step 4: Simplify right side
302,862.38x = 70,524,281,856.36 - Step 5: Solve for x
x = 70,524,281,856.36/302,862.38 - Step 6: Final answer
x = 232,859.17
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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.