Finding the Fourth Proportional to 400,683.84, 601,122.96 and 120,201.09
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Solution
The fourth proportional to 400,683.84, 601,122.96 and 120,201.09 is: 180,330.79
Step by Step Solution
- Step 1: Write the proportion equation
400,683.84 : 601,122.96 = 120,201.09 : x - Step 2: Convert to fraction form
400,683.84/601,122.96 = 120,201.09/x - Step 3: Cross multiply
400,683.84x = 601,122.96 × 120,201.09 - Step 4: Simplify right side
400,683.84x = 72,255,635,016.03 - Step 5: Solve for x
x = 72,255,635,016.03/400,683.84 - Step 6: Final answer
x = 180,330.79
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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.