Finding the Fourth Proportional to 104,397.14, 156,615.12 and 47,475.08
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Solution
The fourth proportional to 104,397.14, 156,615.12 and 47,475.08 is: 71,221.45
Step by Step Solution
- Step 1: Write the proportion equation
104,397.14 : 156,615.12 = 47,475.08 : x - Step 2: Convert to fraction form
104,397.14/156,615.12 = 47,475.08/x - Step 3: Cross multiply
104,397.14x = 156,615.12 × 47,475.08 - Step 4: Simplify right side
104,397.14x = 7,435,315,351.21 - Step 5: Solve for x
x = 7,435,315,351.21/104,397.14 - Step 6: Final answer
x = 71,221.45
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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.