Finding the Fourth Proportional to 197,256.06, 272,136.87 and 125,623.26
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Solution
The fourth proportional to 197,256.06, 272,136.87 and 125,623.26 is: 173,311.38
Step by Step Solution
- Step 1: Write the proportion equation
197,256.06 : 272,136.87 = 125,623.26 : x - Step 2: Convert to fraction form
197,256.06/272,136.87 = 125,623.26/x - Step 3: Cross multiply
197,256.06x = 272,136.87 × 125,623.26 - Step 4: Simplify right side
197,256.06x = 34,186,720,775.60 - Step 5: Solve for x
x = 34,186,720,775.60/197,256.06 - Step 6: Final answer
x = 173,311.38
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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.