Finding the Fourth Proportional to 338,258.30, 466,474.34 and 202,270.10
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Solution
The fourth proportional to 338,258.30, 466,474.34 and 202,270.10 is: 278,940.12
Step by Step Solution
- Step 1: Write the proportion equation
338,258.30 : 466,474.34 = 202,270.10 : x - Step 2: Convert to fraction form
338,258.30/466,474.34 = 202,270.10/x - Step 3: Cross multiply
338,258.30x = 466,474.34 × 202,270.10 - Step 4: Simplify right side
338,258.30x = 94,353,809,572.54 - Step 5: Solve for x
x = 94,353,809,572.54/338,258.30 - Step 6: Final answer
x = 278,940.12
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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.