Finding the Fourth Proportional to 288,673.24, 398,370.56 and 161,346.12
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Solution
The fourth proportional to 288,673.24, 398,370.56 and 161,346.12 is: 222,658.48
Step by Step Solution
- Step 1: Write the proportion equation
288,673.24 : 398,370.56 = 161,346.12 : x - Step 2: Convert to fraction form
288,673.24/398,370.56 = 161,346.12/x - Step 3: Cross multiply
288,673.24x = 398,370.56 × 161,346.12 - Step 4: Simplify right side
288,673.24x = 64,275,544,178.23 - Step 5: Solve for x
x = 64,275,544,178.23/288,673.24 - Step 6: Final answer
x = 222,658.48
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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.