Finding the Fourth Proportional to 72,222.96, 108,372.21 and 29,560.05
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Solution
The fourth proportional to 72,222.96, 108,372.21 and 29,560.05 is: 44,355.53
Step by Step Solution
- Step 1: Write the proportion equation
72,222.96 : 108,372.21 = 29,560.05 : x - Step 2: Convert to fraction form
72,222.96/108,372.21 = 29,560.05/x - Step 3: Cross multiply
72,222.96x = 108,372.21 × 29,560.05 - Step 4: Simplify right side
72,222.96x = 3,203,487,946.21 - Step 5: Solve for x
x = 3,203,487,946.21/72,222.96 - Step 6: Final answer
x = 44,355.53
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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.