Finding the Fourth Proportional to 419,828.97, 629,746.29 and 153,479.91
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Solution
The fourth proportional to 419,828.97, 629,746.29 and 153,479.91 is: 230,220.90
Step by Step Solution
- Step 1: Write the proportion equation
419,828.97 : 629,746.29 = 153,479.91 : x - Step 2: Convert to fraction form
419,828.97/629,746.29 = 153,479.91/x - Step 3: Cross multiply
419,828.97x = 629,746.29 × 153,479.91 - Step 4: Simplify right side
419,828.97x = 96,653,403,912.03 - Step 5: Solve for x
x = 96,653,403,912.03/419,828.97 - Step 6: Final answer
x = 230,220.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.