Finding the Fourth Proportional to 324,113.36, 486,170.02 and 87,455.66
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Solution
The fourth proportional to 324,113.36, 486,170.02 and 87,455.66 is: 131,183.48
Step by Step Solution
- Step 1: Write the proportion equation
324,113.36 : 486,170.02 = 87,455.66 : x - Step 2: Convert to fraction form
324,113.36/486,170.02 = 87,455.66/x - Step 3: Cross multiply
324,113.36x = 486,170.02 × 87,455.66 - Step 4: Simplify right side
324,113.36x = 42,518,319,971.31 - Step 5: Solve for x
x = 42,518,319,971.31/324,113.36 - Step 6: Final answer
x = 131,183.48
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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.