Finding the Fourth Proportional to 427,599.81, 590,099.99 and 236,630.97
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Solution
The fourth proportional to 427,599.81, 590,099.99 and 236,630.97 is: 326,557.52
Step by Step Solution
- Step 1: Write the proportion equation
427,599.81 : 590,099.99 = 236,630.97 : x - Step 2: Convert to fraction form
427,599.81/590,099.99 = 236,630.97/x - Step 3: Cross multiply
427,599.81x = 590,099.99 × 236,630.97 - Step 4: Simplify right side
427,599.81x = 139,635,931,847.54 - Step 5: Solve for x
x = 139,635,931,847.54/427,599.81 - Step 6: Final answer
x = 326,557.52
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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.