Finding the Fourth Proportional to 146,213.08, 201,774.90 and 79,145.08
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Solution
The fourth proportional to 146,213.08, 201,774.90 and 79,145.08 is: 109,220.67
Step by Step Solution
- Step 1: Write the proportion equation
146,213.08 : 201,774.90 = 79,145.08 : x - Step 2: Convert to fraction form
146,213.08/201,774.90 = 79,145.08/x - Step 3: Cross multiply
146,213.08x = 201,774.90 × 79,145.08 - Step 4: Simplify right side
146,213.08x = 15,969,490,602.49 - Step 5: Solve for x
x = 15,969,490,602.49/146,213.08 - Step 6: Final answer
x = 109,220.67
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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.