Finding the Fourth Proportional to 146,069.28, 201,575.58 and 79,001.28
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Solution
The fourth proportional to 146,069.28, 201,575.58 and 79,001.28 is: 109,021.75
Step by Step Solution
- Step 1: Write the proportion equation
146,069.28 : 201,575.58 = 79,001.28 : x - Step 2: Convert to fraction form
146,069.28/201,575.58 = 79,001.28/x - Step 3: Cross multiply
146,069.28x = 201,575.58 × 79,001.28 - Step 4: Simplify right side
146,069.28x = 15,924,728,836.74 - Step 5: Solve for x
x = 15,924,728,836.74/146,069.28 - Step 6: Final answer
x = 109,021.75
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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.