Finding the Fourth Proportional to 354,079.06, 531,201.57 and 140,859.07
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Solution
The fourth proportional to 354,079.06, 531,201.57 and 140,859.07 is: 211,321.62
Step by Step Solution
- Step 1: Write the proportion equation
354,079.06 : 531,201.57 = 140,859.07 : x - Step 2: Convert to fraction form
354,079.06/531,201.57 = 140,859.07/x - Step 3: Cross multiply
354,079.06x = 531,201.57 × 140,859.07 - Step 4: Simplify right side
354,079.06x = 74,824,559,132.74 - Step 5: Solve for x
x = 74,824,559,132.74/354,079.06 - Step 6: Final answer
x = 211,321.62
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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.