Finding the Fourth Proportional to 104,285.96, 156,420.78 and 29,403.08
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Solution
The fourth proportional to 104,285.96, 156,420.78 and 29,403.08 is: 44,102.32
Step by Step Solution
- Step 1: Write the proportion equation
104,285.96 : 156,420.78 = 29,403.08 : x - Step 2: Convert to fraction form
104,285.96/156,420.78 = 29,403.08/x - Step 3: Cross multiply
104,285.96x = 156,420.78 × 29,403.08 - Step 4: Simplify right side
104,285.96x = 4,599,252,708.00 - Step 5: Solve for x
x = 4,599,252,708.00/104,285.96 - Step 6: Final answer
x = 44,102.32
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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.