Finding the Fourth Proportional to 361,627.99, 542,446.09 and 136,927.41
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Solution
The fourth proportional to 361,627.99, 542,446.09 and 136,927.41 is: 205,392.67
Step by Step Solution
- Step 1: Write the proportion equation
361,627.99 : 542,446.09 = 136,927.41 : x - Step 2: Convert to fraction form
361,627.99/542,446.09 = 136,927.41/x - Step 3: Cross multiply
361,627.99x = 542,446.09 × 136,927.41 - Step 4: Simplify right side
361,627.99x = 74,275,736,976.79 - Step 5: Solve for x
x = 74,275,736,976.79/361,627.99 - Step 6: Final answer
x = 205,392.67
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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.