Finding the Fourth Proportional to 419,526.99, 629,381.61 and 153,287.10
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Solution
The fourth proportional to 419,526.99, 629,381.61 and 153,287.10 is: 229,963.95
Step by Step Solution
- Step 1: Write the proportion equation
419,526.99 : 629,381.61 = 153,287.10 : x - Step 2: Convert to fraction form
419,526.99/629,381.61 = 153,287.10/x - Step 3: Cross multiply
419,526.99x = 629,381.61 × 153,287.10 - Step 4: Simplify right side
419,526.99x = 96,476,081,790.23 - Step 5: Solve for x
x = 96,476,081,790.23/419,526.99 - Step 6: Final answer
x = 229,963.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.