Finding the Fourth Proportional to 206,372.31, 284,688.93 and 134,794.23
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Solution
The fourth proportional to 206,372.31, 284,688.93 and 134,794.23 is: 185,947.55
Step by Step Solution
- Step 1: Write the proportion equation
206,372.31 : 284,688.93 = 134,794.23 : x - Step 2: Convert to fraction form
206,372.31/284,688.93 = 134,794.23/x - Step 3: Cross multiply
206,372.31x = 284,688.93 × 134,794.23 - Step 4: Simplify right side
206,372.31x = 38,374,425,108.87 - Step 5: Solve for x
x = 38,374,425,108.87/206,372.31 - Step 6: Final answer
x = 185,947.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.