Finding the Fourth Proportional to 272,608.76, 376,197.12 and 151,748.12
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Solution
The fourth proportional to 272,608.76, 376,197.12 and 151,748.12 is: 209,410.75
Step by Step Solution
- Step 1: Write the proportion equation
272,608.76 : 376,197.12 = 151,748.12 : x - Step 2: Convert to fraction form
272,608.76/376,197.12 = 151,748.12/x - Step 3: Cross multiply
272,608.76x = 376,197.12 × 151,748.12 - Step 4: Simplify right side
272,608.76x = 57,087,205,709.41 - Step 5: Solve for x
x = 57,087,205,709.41/272,608.76 - Step 6: Final answer
x = 209,410.75
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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.