Finding the Fourth Proportional to 106,009.61, 146,287.07 and 58,262.99
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Solution
The fourth proportional to 106,009.61, 146,287.07 and 58,262.99 is: 80,399.53
Step by Step Solution
- Step 1: Write the proportion equation
106,009.61 : 146,287.07 = 58,262.99 : x - Step 2: Convert to fraction form
106,009.61/146,287.07 = 58,262.99/x - Step 3: Cross multiply
106,009.61x = 146,287.07 × 58,262.99 - Step 4: Simplify right side
106,009.61x = 8,523,122,096.54 - Step 5: Solve for x
x = 8,523,122,096.54/106,009.61 - Step 6: Final answer
x = 80,399.53
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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.