Finding the Fourth Proportional to 322,378.92, 483,290.28 and 142,327.08
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Solution
The fourth proportional to 322,378.92, 483,290.28 and 142,327.08 is: 213,367.84
Step by Step Solution
- Step 1: Write the proportion equation
322,378.92 : 483,290.28 = 142,327.08 : x - Step 2: Convert to fraction form
322,378.92/483,290.28 = 142,327.08/x - Step 3: Cross multiply
322,378.92x = 483,290.28 × 142,327.08 - Step 4: Simplify right side
322,378.92x = 68,785,294,344.78 - Step 5: Solve for x
x = 68,785,294,344.78/322,378.92 - Step 6: Final answer
x = 213,367.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.