Finding the Fourth Proportional to 361,629.99, 542,449.09 and 136,929.41
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Solution
The fourth proportional to 361,629.99, 542,449.09 and 136,929.41 is: 205,395.67
Step by Step Solution
- Step 1: Write the proportion equation
361,629.99 : 542,449.09 = 136,929.41 : x - Step 2: Convert to fraction form
361,629.99/542,449.09 = 136,929.41/x - Step 3: Cross multiply
361,629.99x = 542,449.09 × 136,929.41 - Step 4: Simplify right side
361,629.99x = 74,277,233,848.74 - Step 5: Solve for x
x = 74,277,233,848.74/361,629.99 - Step 6: Final answer
x = 205,395.67
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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.