Finding the Fourth Proportional to 104,322.22, 156,478.99 and 48,143.66
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Solution
The fourth proportional to 104,322.22, 156,478.99 and 48,143.66 is: 72,213.48
Step by Step Solution
- Step 1: Write the proportion equation
104,322.22 : 156,478.99 = 48,143.66 : x - Step 2: Convert to fraction form
104,322.22/156,478.99 = 48,143.66/x - Step 3: Cross multiply
104,322.22x = 156,478.99 × 48,143.66 - Step 4: Simplify right side
104,322.22x = 7,533,470,509.31 - Step 5: Solve for x
x = 7,533,470,509.31/104,322.22 - Step 6: Final answer
x = 72,213.48
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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.