Finding the Fourth Proportional to 281,432.79, 422,192.39 and 94,400.55
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Solution
The fourth proportional to 281,432.79, 422,192.39 and 94,400.55 is: 141,615.32
Step by Step Solution
- Step 1: Write the proportion equation
281,432.79 : 422,192.39 = 94,400.55 : x - Step 2: Convert to fraction form
281,432.79/422,192.39 = 94,400.55/x - Step 3: Cross multiply
281,432.79x = 422,192.39 × 94,400.55 - Step 4: Simplify right side
281,432.79x = 39,855,193,349.81 - Step 5: Solve for x
x = 39,855,193,349.81/281,432.79 - Step 6: Final answer
x = 141,615.32
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1.5x scale
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.