Finding the Fourth Proportional to 146,232.24, 201,801.12 and 79,164.24
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Solution
The fourth proportional to 146,232.24, 201,801.12 and 79,164.24 is: 109,246.99
Step by Step Solution
- Step 1: Write the proportion equation
146,232.24 : 201,801.12 = 79,164.24 : x - Step 2: Convert to fraction form
146,232.24/201,801.12 = 79,164.24/x - Step 3: Cross multiply
146,232.24x = 201,801.12 × 79,164.24 - Step 4: Simplify right side
146,232.24x = 15,975,432,295.95 - Step 5: Solve for x
x = 15,975,432,295.95/146,232.24 - Step 6: Final answer
x = 109,246.99
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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.